264561432 has 32 divisors (see below), whose sum is σ = 684212400. Its totient is φ = 85145984.

The previous prime is 264561383. The next prime is 264561439. The reversal of 264561432 is 234165462.

264561432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 264561393 and 264561402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264561439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189363 + ... + 190754.

Almost surely, 2^264561432 is an apocalyptic number.

It is an amenable number.

264561432 is an abundant number, since it is smaller than the sum of its proper divisors (419650968).

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

264561432 is a wasteful number, since it uses less digits than its factorization.

264561432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380155 (or 380151 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 264561432 is about 16265.3445091089. The cubic root of 264561432 is about 641.9612946260.

The spelling of 264561432 in words is "two hundred sixty-four million, five hundred sixty-one thousand, four hundred thirty-two".