40252657488 has 80 divisors (see below), whose sum is σ = 109395230400. Its totient is φ = 12735278080.

The previous prime is 40252657381. The next prime is 40252657507. The reversal of 40252657488 is 88475625204.

It is a self number, because there is not a number n which added to its sum of digits gives 40252657488.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162933 + ... + 327188.

It is an arithmetic number, because the mean of its divisors is an integer number (1367440380).

Almost surely, 2^40252657488 is an apocalyptic number.

40252657488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40252657488 is an abundant number, since it is smaller than the sum of its proper divisors (69142572912).

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

40252657488 is a wasteful number, since it uses less digits than its factorization.

40252657488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490220 (or 490214 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 51.

The spelling of 40252657488 in words is "forty billion, two hundred fifty-two million, six hundred fifty-seven thousand, four hundred eighty-eight".