45491776 has 84 divisors (see below), whose sum is σ = 104515920. Its totient is φ = 19480320.

The previous prime is 45491767. The next prime is 45491783. The reversal of 45491776 is 67719454.

Its product of digits (211680) is a multiple of the sum of its prime factors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254055 + ... + 254233.

Almost surely, 2^45491776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45491776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52257960).

45491776 is an abundant number, since it is smaller than the sum of its proper divisors (59024144).

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

45491776 is a wasteful number, since it uses less digits than its factorization.

45491776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 211 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 45491776 is about 6744.7591506295. The cubic root of 45491776 is about 356.9803387656.

The spelling of 45491776 in words is "forty-five million, four hundred ninety-one thousand, seven hundred seventy-six".