261572707364304 has 160 divisors (see below), whose sum is σ = 793416114118656. Its totient is φ = 72706957148160.

The previous prime is 261572707364263. The next prime is 261572707364333. The reversal of 261572707364304 is 403463707275162.

261572707364304 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×261572707364304³ (a number of 44 digits) contains 333 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, 46954417 + ... + 52228944.

Almost surely, 2^{261572707364304} is an apocalyptic number.

261572707364304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

261572707364304 is an abundant number, since it is smaller than the sum of its proper divisors (531843406754352).

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

261572707364304 is a wasteful number, since it uses less digits than its factorization.

261572707364304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99183593 (or 99183587 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 57.

The spelling of 261572707364304 in words is "two hundred sixty-one trillion, five hundred seventy-two billion, seven hundred seven million, three hundred sixty-four thousand, three hundred four".