27264400475 has 24 divisors (see below), whose sum is σ = 37255188432. Its totient is φ = 19665475200.

The previous prime is 27264400441. The next prime is 27264400483. The reversal of 27264400475 is 57400446272.

It is not a de Polignac number, because 27264400475 - 2⁶ = 27264400411 is a prime.

It is a super-2 number, since 2×27264400475² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 961496 + ... + 989445.

It is an arithmetic number, because the mean of its divisors is an integer number (1552299518).

Almost surely, 2^27264400475 is an apocalyptic number.

27264400475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27264400475 is a deficient number, since it is larger than the sum of its proper divisors (9990787957).

27264400475 is a wasteful number, since it uses less digits than its factorization.

27264400475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951007 (or 1951002 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 41.

The spelling of 27264400475 in words is "twenty-seven billion, two hundred sixty-four million, four hundred thousand, four hundred seventy-five".