45558727690 has 96 divisors (see below), whose sum is σ = 97285878144. Its totient is φ = 15047074560.

The previous prime is 45558727679. The next prime is 45558727699. The reversal of 45558727690 is 9672785554.

It is a super-2 number, since 2×45558727690² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is not an unprimeable number, because it can be changed into a prime (45558727699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46918905 + ... + 46919875.

It is an arithmetic number, because the mean of its divisors is an integer number (1013394564).

Almost surely, 2^45558727690 is an apocalyptic number.

45558727690 is an abundant number, since it is smaller than the sum of its proper divisors (51727150454).

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

45558727690 is a wasteful number, since it uses less digits than its factorization.

45558727690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840 (or 1811 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 58.

The spelling of 45558727690 in words is "forty-five billion, five hundred fifty-eight million, seven hundred twenty-seven thousand, six hundred ninety".