45557309190 has 32 divisors (see below), whose sum is σ = 110198476800. Its totient is φ = 12052956384.

The previous prime is 45557309159. The next prime is 45557309191. The reversal of 45557309190 is 9190375554.

It is a super-2 number, since 2×45557309190² (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 (45557309191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5974840 + ... + 5982459.

It is an arithmetic number, because the mean of its divisors is an integer number (3443702400).

Almost surely, 2^45557309190 is an apocalyptic number.

45557309190 is an abundant number, since it is smaller than the sum of its proper divisors (64641167610).

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

45557309190 is a wasteful number, since it uses less digits than its factorization.

45557309190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11957436.

The product of its (nonzero) digits is 850500, while the sum is 48.

The spelling of 45557309190 in words is "forty-five billion, five hundred fifty-seven million, three hundred nine thousand, one hundred ninety".