40906052 has 48 divisors (see below), whose sum is σ = 82639872. Its totient is φ = 17534880.

The previous prime is 40906049. The next prime is 40906079. The reversal of 40906052 is 25060904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83753 + ... + 84239.

It is an arithmetic number, because the mean of its divisors is an integer number (1721664).

Almost surely, 2^40906052 is an apocalyptic number.

It is an amenable number.

40906052 is an abundant number, since it is smaller than the sum of its proper divisors (41733820).

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

40906052 is a wasteful number, since it uses less digits than its factorization.

40906052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 40906052 is about 6395.7839238048. The cubic root of 40906052 is about 344.5581460986.

Adding to 40906052 its reverse (25060904), we get a palindrome (65966956).

The spelling of 40906052 in words is "forty million, nine hundred six thousand, fifty-two".