40253652 has 24 divisors (see below), whose sum is σ = 104361600. Its totient is φ = 13417848.

The previous prime is 40253627. The next prime is 40253687. The reversal of 40253652 is 25635204.

40253652 is a `hidden beast` number, since 4 + 0 + 2 + 5 + 3 + 652 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186252 + ... + 186467.

It is an arithmetic number, because the mean of its divisors is an integer number (4348400).

Almost surely, 2^40253652 is an apocalyptic number.

It is an amenable number.

40253652 is an abundant number, since it is smaller than the sum of its proper divisors (64107948).

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

40253652 is a wasteful number, since it uses less digits than its factorization.

40253652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372732 (or 372724 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 40253652 is about 6344.5765816168. The cubic root of 40253652 is about 342.7165646895.

Adding to 40253652 its reverse (25635204), we get a palindrome (65888856).

The spelling of 40253652 in words is "forty million, two hundred fifty-three thousand, six hundred fifty-two".