40739952 has 160 divisors (see below), whose sum is σ = 125706240. Its totient is φ = 11232000.

The previous prime is 40739911. The next prime is 40739957. The reversal of 40739952 is 25993704.

It is a self number, because there is not a number n which added to its sum of digits gives 40739952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40739957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310927 + ... + 311057.

It is an arithmetic number, because the mean of its divisors is an integer number (785664).

Almost surely, 2^40739952 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 40739952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62853120).

40739952 is an abundant number, since it is smaller than the sum of its proper divisors (84966288).

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

40739952 is a wasteful number, since it uses less digits than its factorization.

40739952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 40739952 is about 6382.7855987805. The cubic root of 40739952 is about 344.0911512552.

The spelling of 40739952 in words is "forty million, seven hundred thirty-nine thousand, nine hundred fifty-two".