40956855 has 16 divisors (see below), whose sum is σ = 67056000. Its totient is φ = 21335328.

The previous prime is 40956841. The next prime is 40956857. The reversal of 40956855 is 55865904.

It is not a de Polignac number, because 40956855 - 2¹¹ = 40954807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40956857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31105 + ... + 32394.

It is an arithmetic number, because the mean of its divisors is an integer number (4191000).

Almost surely, 2^40956855 is an apocalyptic number.

40956855 is a deficient number, since it is larger than the sum of its proper divisors (26099145).

40956855 is a wasteful number, since it uses less digits than its factorization.

40956855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63550.

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 40956855 is about 6399.7542921584. The cubic root of 40956855 is about 344.7007276570.

The spelling of 40956855 in words is "forty million, nine hundred fifty-six thousand, eight hundred fifty-five".