40031052 has 24 divisors (see below), whose sum is σ = 93581376. Its totient is φ = 13318608.

The previous prime is 40031051. The next prime is 40031071. The reversal of 40031052 is 25013004.

It is not an unprimeable number, because it can be changed into a prime (40031051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4203 + ... + 9885.

It is an arithmetic number, because the mean of its divisors is an integer number (3899224).

Almost surely, 2^40031052 is an apocalyptic number.

It is an amenable number.

40031052 is an abundant number, since it is smaller than the sum of its proper divisors (53550324).

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

40031052 is a wasteful number, since it uses less digits than its factorization.

40031052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6277 (or 6275 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 40031052 is about 6327.0097202391. The cubic root of 40031052 is about 342.0836634003.

Adding to 40031052 its reverse (25013004), we get a palindrome (65044056).

The spelling of 40031052 in words is "forty million, thirty-one thousand, fifty-two".