18212836402 has 16 divisors (see below), whose sum is σ = 28004788224. Its totient is φ = 8878212000.

The previous prime is 18212836363. The next prime is 18212836427. The reversal of 18212836402 is 20463821281.

It is a happy number.

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, 45127 + ... + 196117.

It is an arithmetic number, because the mean of its divisors is an integer number (1750299264).

Almost surely, 2^18212836402 is an apocalyptic number.

18212836402 is a deficient number, since it is larger than the sum of its proper divisors (9791951822).

18212836402 is a wasteful number, since it uses less digits than its factorization.

18212836402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152505.

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 18212836402 in words is "eighteen billion, two hundred twelve million, eight hundred thirty-six thousand, four hundred two".