1434144540 has 96 divisors (see below), whose sum is σ = 4193441280. Its totient is φ = 365752576.

The previous prime is 1434144539. The next prime is 1434144541. The reversal of 1434144540 is 454414341.

It is an interprime number because it is at equal distance from previous prime (1434144539) and next prime (1434144541).

It is a super-2 number, since 2×1434144540² = 4113541123223623200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1434144498 and 1434144507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434144541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182329 + ... + 190031.

It is an arithmetic number, because the mean of its divisors is an integer number (43681680).

Almost surely, 2^1434144540 is an apocalyptic number.

1434144540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1434144540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2096720640).

1434144540 is an abundant number, since it is smaller than the sum of its proper divisors (2759296740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1434144540 is a wasteful number, since it uses less digits than its factorization.

1434144540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851 (or 7849 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 1434144540 is about 37870.1008712678. The cubic root of 1434144540 is about 1127.7105445362.

Adding to 1434144540 its reverse (454414341), we get a palindrome (1888558881).

The spelling of 1434144540 in words is "one billion, four hundred thirty-four million, one hundred forty-four thousand, five hundred forty".