36440431090 has 64 divisors (see below), whose sum is σ = 79832024064. Its totient is φ = 11690892288.

The previous prime is 36440431043. The next prime is 36440431117. The reversal of 36440431090 is 9013404463.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117367 + ... + 294373.

It is an arithmetic number, because the mean of its divisors is an integer number (1247375376).

Almost surely, 2^36440431090 is an apocalyptic number.

36440431090 is an abundant number, since it is smaller than the sum of its proper divisors (43391592974).

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

36440431090 is a wasteful number, since it uses less digits than its factorization.

36440431090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177211.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 36440431090 in words is "thirty-six billion, four hundred forty million, four hundred thirty-one thousand, ninety".