40100452 has 24 divisors (see below), whose sum is σ = 82370624. Its totient is φ = 16720992.

The previous prime is 40100441. The next prime is 40100491. The reversal of 40100452 is 25400104.

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, 18318 + ... + 20389.

Almost surely, 2^40100452 is an apocalyptic number.

It is an amenable number.

40100452 is an abundant number, since it is smaller than the sum of its proper divisors (42270172).

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

40100452 is a wasteful number, since it uses less digits than its factorization.

40100452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38755 (or 38753 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 40100452 is about 6332.4917686484. The cubic root of 40100452 is about 342.2812341936.

Adding to 40100452 its reverse (25400104), we get a palindrome (65500556).

The spelling of 40100452 in words is "forty million, one hundred thousand, four hundred fifty-two".