45690880 has 104 divisors (see below), whose sum is σ = 115591392. Its totient is φ = 17301504.

The previous prime is 45690847. The next prime is 45690901. The reversal of 45690880 is 8809654.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 470992 + ... + 471088.

Almost surely, 2^45690880 is an apocalyptic number.

45690880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45690880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57795696).

45690880 is an abundant number, since it is smaller than the sum of its proper divisors (69900512).

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

45690880 is an equidigital number, since it uses as much as digits as its factorization.

45690880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 45690880 is about 6759.5029403056. The cubic root of 45690880 is about 357.5003798063.

The spelling of 45690880 in words is "forty-five million, six hundred ninety thousand, eight hundred eighty".