40402620552 has 32 divisors (see below), whose sum is σ = 115436059200. Its totient is φ = 11543605824.

The previous prime is 40402620551. The next prime is 40402620553. The reversal of 40402620552 is 25502620404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40402620551) and next prime (40402620553).

It is not an unprimeable number, because it can be changed into a prime (40402620551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120245727 + ... + 120246062.

It is an arithmetic number, because the mean of its divisors is an integer number (3607376850).

Almost surely, 2^40402620552 is an apocalyptic number.

40402620552 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40402620552 is an abundant number, since it is smaller than the sum of its proper divisors (75033438648).

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

40402620552 is a wasteful number, since it uses less digits than its factorization.

40402620552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240491805 (or 240491801 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 40402620552 in words is "forty billion, four hundred two million, six hundred twenty thousand, five hundred fifty-two".