40252436 has 24 divisors (see below), whose sum is σ = 81828096. Its totient is φ = 16967520.

The previous prime is 40252417. The next prime is 40252441. The reversal of 40252436 is 63425204.

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, 10076 + ... + 13491.

It is an arithmetic number, because the mean of its divisors is an integer number (3409504).

Almost surely, 2^40252436 is an apocalyptic number.

It is an amenable number.

40252436 is an abundant number, since it is smaller than the sum of its proper divisors (41575660).

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

40252436 is a wasteful number, since it uses less digits than its factorization.

40252436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23639 (or 23637 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 40252436 is about 6344.4807510150. The cubic root of 40252436 is about 342.7131136772.

The spelling of 40252436 in words is "forty million, two hundred fifty-two thousand, four hundred thirty-six".