40905936 has 60 divisors (see below), whose sum is σ = 120513120. Its totient is φ = 12916800.

The previous prime is 40905923. The next prime is 40905959. The reversal of 40905936 is 63950904.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40905936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4740 + ... + 10211.

It is an arithmetic number, because the mean of its divisors is an integer number (2008552).

Almost surely, 2^40905936 is an apocalyptic number.

It is an amenable number.

40905936 is an abundant number, since it is smaller than the sum of its proper divisors (79607184).

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

40905936 is a wasteful number, since it uses less digits than its factorization.

40905936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14984 (or 14975 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 40905936 is about 6395.7748553244. The cubic root of 40905936 is about 344.5578204029.

The spelling of 40905936 in words is "forty million, nine hundred five thousand, nine hundred thirty-six".