265478424008472 has 56 divisors (see below), whose sum is σ = 746316660101940. Its totient is φ = 88492808000880.

The previous prime is 265478424008443. The next prime is 265478424008519. The reversal of 265478424008472 is 274800424874562.

265478424008472 is a `hidden beast` number, since 2 + 6 + 5 + 4 + 7 + 84 + 2 + 400 + 84 + 72 = 666.

It is a super-2 number, since 2×265478424008472² (a number of 30 digits) 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 13 ways as a sum of consecutive naturals, for example, 22760490054 + ... + 22760501717.

Almost surely, 2^{265478424008472} is an apocalyptic number.

It is an amenable number.

265478424008472 is an abundant number, since it is smaller than the sum of its proper divisors (480838236093468).

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

265478424008472 is an equidigital number, since it uses as much as digits as its factorization.

265478424008472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45520991795 (or 45520991776 counting only the distinct ones).

The product of its (nonzero) digits is 192675840, while the sum is 63.

The spelling of 265478424008472 in words is "two hundred sixty-five trillion, four hundred seventy-eight billion, four hundred twenty-four million, eight thousand, four hundred seventy-two".