45742404840 has 128 divisors (see below), whose sum is σ = 149759694720. Its totient is φ = 11084825600.

The previous prime is 45742404821. The next prime is 45742404863. The reversal of 45742404840 is 4840424754.

It is a junction number, because it is equal to n+sod(n) for n = 45742404792 and 45742404801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4722082 + ... + 4731758.

It is an arithmetic number, because the mean of its divisors is an integer number (1169997615).

Almost surely, 2^45742404840 is an apocalyptic number.

45742404840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45742404840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74879847360).

45742404840 is an abundant number, since it is smaller than the sum of its proper divisors (104017289880).

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

45742404840 is a wasteful number, since it uses less digits than its factorization.

45742404840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13283 (or 13279 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 42.

The spelling of 45742404840 in words is "forty-five billion, seven hundred forty-two million, four hundred four thousand, eight hundred forty".