40225251052 has 12 divisors (see below), whose sum is σ = 80450502160. Its totient is φ = 17239393296.

The previous prime is 40225251043. The next prime is 40225251083. The reversal of 40225251052 is 25015252204.

40225251052 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 1436616109 = 40225251052 / (4 + 0 + 2 + 2 + 5 + 2 + 5 + 1 + 0 + 5 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 40225251052.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718308027 + ... + 718308082.

Almost surely, 2^40225251052 is an apocalyptic number.

It is an amenable number.

40225251052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40225251052 is a wasteful number, since it uses less digits than its factorization.

40225251052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436616120 (or 1436616118 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The spelling of 40225251052 in words is "forty billion, two hundred twenty-five million, two hundred fifty-one thousand, fifty-two".