1434423240 has 192 divisors, whose sum is σ = 5022388800. Its totient is φ = 353880576.

The previous prime is 1434423233. The next prime is 1434423247. The reversal of 1434423240 is 423244341.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1434423233) and next prime (1434423247).

It is not an unprimeable number, because it can be changed into a prime (1434423247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 291682 + ... + 296558.

It is an arithmetic number, because the mean of its divisors is an integer number (26158275).

Almost surely, 2^1434423240 is an apocalyptic number.

1434423240 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 1434423240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2511194400).

1434423240 is an abundant number, since it is smaller than the sum of its proper divisors (3587965560).

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

1434423240 is a wasteful number, since it uses less digits than its factorization.

1434423240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956 (or 4949 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1434423240 is about 37873.7803764029. The cubic root of 1434423240 is about 1127.7835898403.

Adding to 1434423240 its reverse (423244341), we get a palindrome (1857667581).

The spelling of 1434423240 in words is "one billion, four hundred thirty-four million, four hundred twenty-three thousand, two hundred forty".