40340952 has 96 divisors (see below), whose sum is σ = 118263600. Its totient is φ = 12379392.

The previous prime is 40340903. The next prime is 40340953. The reversal of 40340952 is 25904304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40340953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50218 + ... + 51014.

Almost surely, 2^40340952 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 40340952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59131800).

40340952 is an abundant number, since it is smaller than the sum of its proper divisors (77922648).

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

40340952 is a wasteful number, since it uses less digits than its factorization.

40340952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 40340952 is about 6351.4527472067. The cubic root of 40340952 is about 342.9641410095.

The spelling of 40340952 in words is "forty million, three hundred forty thousand, nine hundred fifty-two".