40968972 has 36 divisors (see below), whose sum is σ = 112976136. Its totient is φ = 12414720.

The previous prime is 40968923. The next prime is 40968979. The reversal of 40968972 is 27986904.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (40968979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51333 + ... + 52124.

It is an arithmetic number, because the mean of its divisors is an integer number (3138226).

Almost surely, 2^40968972 is an apocalyptic number.

It is an amenable number.

40968972 is an abundant number, since it is smaller than the sum of its proper divisors (72007164).

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

40968972 is a wasteful number, since it uses less digits than its factorization.

40968972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103478 (or 103473 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 40968972 is about 6400.7008991203. The cubic root of 40968972 is about 344.7347173021.

The spelling of 40968972 in words is "forty million, nine hundred sixty-eight thousand, nine hundred seventy-two".