40036506 has 16 divisors (see below), whose sum is σ = 80212224. Its totient is φ = 13322304.

The previous prime is 40036487. The next prime is 40036517. The reversal of 40036506 is 60563004.

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, 1855 + ... + 9138.

It is an arithmetic number, because the mean of its divisors is an integer number (5013264).

Almost surely, 2^40036506 is an apocalyptic number.

40036506 is an abundant number, since it is smaller than the sum of its proper divisors (40175718).

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

40036506 is a wasteful number, since it uses less digits than its factorization.

40036506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11605.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 40036506 is about 6327.4407148546. The cubic root of 40036506 is about 342.0991983370.

The spelling of 40036506 in words is "forty million, thirty-six thousand, five hundred six".