40995864 has 96 divisors (see below), whose sum is σ = 136674720. Its totient is φ = 10810368.

The previous prime is 40995853. The next prime is 40995883. The reversal of 40995864 is 46859904.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3424 + ... + 9680.

It is an arithmetic number, because the mean of its divisors is an integer number (1423695).

Almost surely, 2^40995864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40995864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68337360).

40995864 is an abundant number, since it is smaller than the sum of its proper divisors (95678856).

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

40995864 is a wasteful number, since it uses less digits than its factorization.

40995864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6289 (or 6282 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 40995864 is about 6402.8012619478. The cubic root of 40995864 is about 344.8101286675.

The spelling of 40995864 in words is "forty million, nine hundred ninety-five thousand, eight hundred sixty-four".