8195552400 has 120 divisors (see below), whose sum is σ = 30003557824. Its totient is φ = 1873267200.

The previous prime is 8195552399. The next prime is 8195552437. The reversal of 8195552400 is 42555918.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×8195552400² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 479431 + ... + 496230.

Almost surely, 2^8195552400 is an apocalyptic number.

8195552400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8195552400 is an abundant number, since it is smaller than the sum of its proper divisors (21808005424).

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

8195552400 is a wasteful number, since it uses less digits than its factorization.

8195552400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975689 (or 975678 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 8195552400 is about 90529.2902877295. The cubic root of 8195552400 is about 2016.1650272755.

The spelling of 8195552400 in words is "eight billion, one hundred ninety-five million, five hundred fifty-two thousand, four hundred".