523774416 has 160 divisors (see below), whose sum is σ = 1522188288. Its totient is φ = 153861120.

The previous prime is 523774399. The next prime is 523774421. The reversal of 523774416 is 614477325.

It is a super-2 number, since 2×523774416² = 548679277712282112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4124145 + ... + 4124271.

Almost surely, 2^523774416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523774416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (761094144).

523774416 is an abundant number, since it is smaller than the sum of its proper divisors (998413872).

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

523774416 is a wasteful number, since it uses less digits than its factorization.

523774416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 323 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 523774416 is about 22886.1184126972. The cubic root of 523774416 is about 806.0860903020.

The spelling of 523774416 in words is "five hundred twenty-three million, seven hundred seventy-four thousand, four hundred sixteen".