45918780 has 24 divisors (see below), whose sum is σ = 128572752. Its totient is φ = 12244992.

The previous prime is 45918767. The next prime is 45918791. The reversal of 45918780 is 8781954.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382597 + ... + 382716.

It is an arithmetic number, because the mean of its divisors is an integer number (5357198).

Almost surely, 2^45918780 is an apocalyptic number.

It is an amenable number.

45918780 is an abundant number, since it is smaller than the sum of its proper divisors (82653972).

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

45918780 is a wasteful number, since it uses less digits than its factorization.

45918780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765325 (or 765323 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 45918780 is about 6776.3397199373. The cubic root of 45918780 is about 358.0937823237.

The spelling of 45918780 in words is "forty-five million, nine hundred eighteen thousand, seven hundred eighty".