40713252 has 12 divisors (see below), whose sum is σ = 94997616. Its totient is φ = 13571080.

The previous prime is 40713241. The next prime is 40713259. The reversal of 40713252 is 25231704.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (40713259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1696374 + ... + 1696397.

It is an arithmetic number, because the mean of its divisors is an integer number (7916468).

Almost surely, 2^40713252 is an apocalyptic number.

It is an amenable number.

40713252 is an abundant number, since it is smaller than the sum of its proper divisors (54284364).

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

40713252 is a wasteful number, since it uses less digits than its factorization.

40713252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392778 (or 3392776 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 40713252 is about 6380.6936926952. The cubic root of 40713252 is about 344.0159650964.

Adding to 40713252 its reverse (25231704), we get a palindrome (65944956).

The spelling of 40713252 in words is "forty million, seven hundred thirteen thousand, two hundred fifty-two".