1434646520 has 64 divisors (see below), whose sum is σ = 3338496000. Its totient is φ = 554279040.

The previous prime is 1434646511. The next prime is 1434646523. The reversal of 1434646520 is 256464341.

It is a super-2 number, since 2×1434646520² = 4116421274696220800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434646523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1024781 + ... + 1026179.

It is an arithmetic number, because the mean of its divisors is an integer number (52164000).

Almost surely, 2^1434646520 is an apocalyptic number.

1434646520 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 1434646520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1669248000).

1434646520 is an abundant number, since it is smaller than the sum of its proper divisors (1903849480).

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

1434646520 is a wasteful number, since it uses less digits than its factorization.

1434646520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268 (or 2264 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 1434646520 is about 37876.7279473821. The cubic root of 1434646520 is about 1127.8421031271.

The spelling of 1434646520 in words is "one billion, four hundred thirty-four million, six hundred forty-six thousand, five hundred twenty".