45955581940 has 48 divisors (see below), whose sum is σ = 101643921792. Its totient is φ = 17418659456.

The previous prime is 45955581863. The next prime is 45955581949. The reversal of 45955581940 is 4918555954.

It is a super-2 number, since 2×45955581940² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45955581949) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 417619 + ... + 516058.

It is an arithmetic number, because the mean of its divisors is an integer number (2117581704).

Almost surely, 2^45955581940 is an apocalyptic number.

It is an amenable number.

45955581940 is an abundant number, since it is smaller than the sum of its proper divisors (55688339852).

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

45955581940 is a wasteful number, since it uses less digits than its factorization.

45955581940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933816 (or 933814 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 55.

The spelling of 45955581940 in words is "forty-five billion, nine hundred fifty-five million, five hundred eighty-one thousand, nine hundred forty".