36501440 has 28 divisors (see below), whose sum is σ = 86919816. Its totient is φ = 14600448.

The previous prime is 36501433. The next prime is 36501461. The reversal of 36501440 is 4410563.

It is a happy number.

36501440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56714 + ... + 57353.

Almost surely, 2^36501440 is an apocalyptic number.

It is an amenable number.

36501440 is an abundant number, since it is smaller than the sum of its proper divisors (50418376).

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

36501440 is a wasteful number, since it uses less digits than its factorization.

36501440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114084 (or 114074 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 36501440 is about 6041.6421608698. The cubic root of 36501440 is about 331.7187340572.

The spelling of 36501440 in words is "thirty-six million, five hundred one thousand, four hundred forty".