40363425252 has 120 divisors (see below), whose sum is σ = 106646379840. Its totient is φ = 13311345600.

The previous prime is 40363425239. The next prime is 40363425253. The reversal of 40363425252 is 25252436304.

40363425252 is a `hidden beast` number, since 4 + 0 + 363 + 42 + 5 + 252 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40363425253) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13159023 + ... + 13162089.

It is an arithmetic number, because the mean of its divisors is an integer number (888719832).

Almost surely, 2^40363425252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40363425252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53323189920).

40363425252 is an abundant number, since it is smaller than the sum of its proper divisors (66282954588).

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

40363425252 is a wasteful number, since it uses less digits than its factorization.

40363425252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503 (or 3492 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 40363425252 in words is "forty billion, three hundred sixty-three million, four hundred twenty-five thousand, two hundred fifty-two".