40900985 has 16 divisors (see below), whose sum is σ = 50706432. Its totient is φ = 31651200.

The previous prime is 40900973. The next prime is 40900999. The reversal of 40900985 is 58900904.

It is a de Polignac number, because none of the positive numbers 2^k-40900985 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25250 + ... + 26820.

It is an arithmetic number, because the mean of its divisors is an integer number (3169152).

Almost surely, 2^40900985 is an apocalyptic number.

It is an amenable number.

40900985 is a deficient number, since it is larger than the sum of its proper divisors (9805447).

40900985 is a wasteful number, since it uses less digits than its factorization.

40900985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 40900985 is about 6395.3877912133. The cubic root of 40900985 is about 344.5439187970.

The spelling of 40900985 in words is "forty million, nine hundred thousand, nine hundred eighty-five".