261754432 has 28 divisors (see below), whose sum is σ = 521427456. Its totient is φ = 130371200.

The previous prime is 261754411. The next prime is 261754433. The reversal of 261754432 is 234457162.

It is not an unprimeable number, because it can be changed into a prime (261754433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9057 + ... + 24607.

Almost surely, 2^261754432 is an apocalyptic number.

It is an amenable number.

261754432 is a deficient number, since it is larger than the sum of its proper divisors (259673024).

261754432 is a wasteful number, since it uses less digits than its factorization.

261754432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15826 (or 15816 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 261754432 is about 16178.8266570849. The cubic root of 261754432 is about 639.6828115752.

The spelling of 261754432 in words is "two hundred sixty-one million, seven hundred fifty-four thousand, four hundred thirty-two".