36405940 has 24 divisors (see below), whose sum is σ = 76823712. Its totient is φ = 14491680.

The previous prime is 36405931. The next prime is 36405953. The reversal of 36405940 is 4950463.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94 + ... + 8533.

It is an arithmetic number, because the mean of its divisors is an integer number (3200988).

Almost surely, 2^36405940 is an apocalyptic number.

It is an amenable number.

36405940 is an abundant number, since it is smaller than the sum of its proper divisors (40417772).

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

36405940 is a wasteful number, since it uses less digits than its factorization.

36405940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8847 (or 8845 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 36405940 is about 6033.7335042244. The cubic root of 36405940 is about 331.4291855985.

The spelling of 36405940 in words is "thirty-six million, four hundred five thousand, nine hundred forty".