9999995400 has 96 divisors (see below), whose sum is σ = 34444447200. Its totient is φ = 2666664000.

The previous prime is 9999995377. The next prime is 9999995477. The reversal of 9999995400 is 45999999.

It is a nialpdrome in base 10.

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, 920526 + ... + 931325.

It is an arithmetic number, because the mean of its divisors is an integer number (358796325).

Almost surely, 2^9999995400 is an apocalyptic number.

9999995400 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9999995400 is an abundant number, since it is smaller than the sum of its proper divisors (24444451800).

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

9999995400 is a wasteful number, since it uses less digits than its factorization.

9999995400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851876 (or 1851861 counting only the distinct ones).

The product of its (nonzero) digits is 10628820, while the sum is 63.

The square root of 9999995400 is about 99999.9769999974. The cubic root of 9999995400 is about 2154.4343596852.

The spelling of 9999995400 in words is "nine billion, nine hundred ninety-nine million, nine hundred ninety-five thousand, four hundred".