88220491600 has 30 divisors (see below), whose sum is σ = 211949732030. Its totient is φ = 35288196480.

The previous prime is 88220491591. The next prime is 88220491603. The reversal of 88220491600 is 619402288.

It can be written as a sum of positive squares in 3 ways, for example, as 25072822336 + 63147669264 = 158344^2 + 251292^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88220491603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110275215 + ... + 110276014.

Almost surely, 2^88220491600 is an apocalyptic number.

88220491600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

88220491600 is an abundant number, since it is smaller than the sum of its proper divisors (123729240430).

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

88220491600 is a wasteful number, since it uses less digits than its factorization.

88220491600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220551247 (or 220551236 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

Adding to 88220491600 its reverse (619402288), we get a palindrome (88839893888).

The spelling of 88220491600 in words is "eighty-eight billion, two hundred twenty million, four hundred ninety-one thousand, six hundred".