36636997420 has 12 divisors (see below), whose sum is σ = 76937694624. Its totient is φ = 14654798960.

The previous prime is 36636997391. The next prime is 36636997469. The reversal of 36636997420 is 2479963663.

36636997420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915924916 + ... + 915924955.

It is an arithmetic number, because the mean of its divisors is an integer number (6411474552).

Almost surely, 2^36636997420 is an apocalyptic number.

It is an amenable number.

36636997420 is an abundant number, since it is smaller than the sum of its proper divisors (40300697204).

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

36636997420 is a wasteful number, since it uses less digits than its factorization.

36636997420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831849880 (or 1831849878 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 55.

The spelling of 36636997420 in words is "thirty-six billion, six hundred thirty-six million, nine hundred ninety-seven thousand, four hundred twenty".