40245052453044 has 24 divisors (see below), whose sum is σ = 94960236127680. Its totient is φ = 13264286950464.

The previous prime is 40245052453027. The next prime is 40245052453051. The reversal of 40245052453044 is 44035425054204.

It is a junction number, because it is equal to n+sod(n) for n = 40245052452987 and 40245052453005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18841315624 + ... + 18841317759.

It is an arithmetic number, because the mean of its divisors is an integer number (3956676505320).

Almost surely, 2^{40245052453044} is an apocalyptic number.

It is an amenable number.

40245052453044 is an abundant number, since it is smaller than the sum of its proper divisors (54715183674636).

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

40245052453044 is a wasteful number, since it uses less digits than its factorization.

40245052453044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37682633479 (or 37682633477 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 42.

The spelling of 40245052453044 in words is "forty trillion, two hundred forty-five billion, fifty-two million, four hundred fifty-three thousand, forty-four".