88401555442280 has 32 divisors (see below), whose sum is σ = 198903910481640. Its totient is φ = 35360549157120.

The previous prime is 88401555442267. The next prime is 88401555442307. The reversal of 88401555442280 is 8224455510488.

It can be written as a sum of positive squares in 4 ways, for example, as 17963034311524 + 70438521130756 = 4238282^2 + 8392766^2 .

It is a super-2 number, since 2×88401555442280² (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, 20022170 + ... + 24035190.

Almost surely, 2^{88401555442280} is an apocalyptic number.

It is an amenable number.

88401555442280 is an abundant number, since it is smaller than the sum of its proper divisors (110502355039360).

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

88401555442280 is a wasteful number, since it uses less digits than its factorization.

88401555442280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4563749 (or 4563745 counting only the distinct ones).

The product of its (nonzero) digits is 16384000, while the sum is 56.

The spelling of 88401555442280 in words is "eighty-eight trillion, four hundred one billion, five hundred fifty-five million, four hundred forty-two thousand, two hundred eighty".