40906918 has 16 divisors (see below), whose sum is σ = 68213376. Its totient is φ = 18270720.

The previous prime is 40906891. The next prime is 40906927. The reversal of 40906918 is 81960904.

It is a congruent number.

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, 24571 + ... + 26182.

It is an arithmetic number, because the mean of its divisors is an integer number (4263336).

Almost surely, 2^40906918 is an apocalyptic number.

40906918 is a deficient number, since it is larger than the sum of its proper divisors (27306458).

40906918 is a wasteful number, since it uses less digits than its factorization.

40906918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50799.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 40906918 is about 6395.8516242952. The cubic root of 40906918 is about 344.5605775665.

The spelling of 40906918 in words is "forty million, nine hundred six thousand, nine hundred eighteen".