88550132840 has 64 divisors (see below), whose sum is σ = 214666698960. Its totient is φ = 32679751680.

The previous prime is 88550132837. The next prime is 88550132849. The reversal of 88550132840 is 4823105588.

It can be written as a sum of positive squares in 8 ways, for example, as 71117155684 + 17432977156 = 266678^2 + 132034^2 .

It is a super-2 number, since 2×88550132840² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88550132791 and 88550132800.

It is not an unprimeable number, because it can be changed into a prime (88550132849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1073552 + ... + 1153088.

Almost surely, 2^88550132840 is an apocalyptic number.

It is an amenable number.

88550132840 is an abundant number, since it is smaller than the sum of its proper divisors (126116566120).

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

88550132840 is a wasteful number, since it uses less digits than its factorization.

88550132840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81702 (or 81698 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 44.

The spelling of 88550132840 in words is "eighty-eight billion, five hundred fifty million, one hundred thirty-two thousand, eight hundred forty".