91452634280 has 32 divisors (see below), whose sum is σ = 235163917440. Its totient is φ = 31355188800.

The previous prime is 91452634271. The next prime is 91452634283. The reversal of 91452634280 is 8243625419.

It is a super-2 number, since 2×91452634280² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (91452634283) 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, 163307996 + ... + 163308555.

It is an arithmetic number, because the mean of its divisors is an integer number (7348872420).

Almost surely, 2^91452634280 is an apocalyptic number.

It is an amenable number.

91452634280 is an abundant number, since it is smaller than the sum of its proper divisors (143711283160).

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

91452634280 is a wasteful number, since it uses less digits than its factorization.

91452634280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326616569 (or 326616565 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 91452634280 in words is "ninety-one billion, four hundred fifty-two million, six hundred thirty-four thousand, two hundred eighty".