363636404000 has 48 divisors (see below), whose sum is σ = 893454654456. Its totient is φ = 145454560000.

The previous prime is 363636403981. The next prime is 363636404009. The reversal of 363636404000 is 404636363.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 101447346064 + 262189057936 = 318508^2 + 512044^2 .

It is not an unprimeable number, because it can be changed into a prime (363636404009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45450551 + ... + 45458550.

Almost surely, 2^363636404000 is an apocalyptic number.

It is an amenable number.

363636404000 is an abundant number, since it is smaller than the sum of its proper divisors (529818250456).

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

363636404000 is an equidigital number, since it uses as much as digits as its factorization.

363636404000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90909126 (or 90909108 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 35.

The spelling of 363636404000 in words is "three hundred sixty-three billion, six hundred thirty-six million, four hundred four thousand".