45894640344 has 64 divisors (see below), whose sum is σ = 133084704000. Its totient is φ = 12917038464.

The previous prime is 45894640313. The next prime is 45894640349. The reversal of 45894640344 is 44304649854.

It is a super-2 number, since 2×45894640344² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45894640349) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2027419 + ... + 2049930.

It is an arithmetic number, because the mean of its divisors is an integer number (2079448500).

Almost surely, 2^45894640344 is an apocalyptic number.

It is an amenable number.

45894640344 is an abundant number, since it is smaller than the sum of its proper divisors (87190063656).

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

45894640344 is a wasteful number, since it uses less digits than its factorization.

45894640344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077432 (or 4077428 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 51.

The spelling of 45894640344 in words is "forty-five billion, eight hundred ninety-four million, six hundred forty thousand, three hundred forty-four".