40428556338252 has 48 divisors (see below), whose sum is σ = 94406295991392. Its totient is φ = 13465758082560.

The previous prime is 40428556338239. The next prime is 40428556338301. The reversal of 40428556338252 is 25283365582404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40428556338192 and 40428556338201.

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, 496496502 + ... + 496577922.

It is an arithmetic number, because the mean of its divisors is an integer number (1966797833154).

Almost surely, 2^{40428556338252} is an apocalyptic number.

It is an amenable number.

40428556338252 is an abundant number, since it is smaller than the sum of its proper divisors (53977739653140).

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

40428556338252 is a wasteful number, since it uses less digits than its factorization.

40428556338252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112938 (or 112936 counting only the distinct ones).

The product of its (nonzero) digits is 55296000, while the sum is 57.

The spelling of 40428556338252 in words is "forty trillion, four hundred twenty-eight billion, five hundred fifty-six million, three hundred thirty-eight thousand, two hundred fifty-two".