88393860731240 has 32 divisors (see below), whose sum is σ = 198888077750760. Its totient is φ = 35357208096000.

The previous prime is 88393860731219. The next prime is 88393860731273. The reversal of 88393860731240 is 4213706839388.

It can be written as a sum of positive squares in 4 ways, for example, as 34259318097316 + 54134542633924 = 5853146^2 + 7357618^2 .

It is a super-2 number, since 2×88393860731240² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6225251 + ... + 14681330.

Almost surely, 2^{88393860731240} is an apocalyptic number.

It is an amenable number.

88393860731240 is an abundant number, since it is smaller than the sum of its proper divisors (110494217019520).

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

88393860731240 is a wasteful number, since it uses less digits than its factorization.

88393860731240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21012293 (or 21012289 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 88393860731240 in words is "eighty-eight trillion, three hundred ninety-three billion, eight hundred sixty million, seven hundred thirty-one thousand, two hundred forty".