264157436 has 12 divisors (see below), whose sum is σ = 462665112. Its totient is φ = 131967408.

The previous prime is 264157409. The next prime is 264157447. The reversal of 264157436 is 634751462.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 264157436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22370 + ... + 32073.

It is an arithmetic number, because the mean of its divisors is an integer number (38555426).

Almost surely, 2^264157436 is an apocalyptic number.

It is an amenable number.

264157436 is a deficient number, since it is larger than the sum of its proper divisors (198507676).

264157436 is a wasteful number, since it uses less digits than its factorization.

264157436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55660 (or 55658 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 264157436 is about 16252.9208451896. The cubic root of 264157436 is about 641.6343612079.

The spelling of 264157436 in words is "two hundred sixty-four million, one hundred fifty-seven thousand, four hundred thirty-six".