45441480 has 128 divisors (see below), whose sum is σ = 159252480. Its totient is φ = 10156800.

The previous prime is 45441479. The next prime is 45441499. The reversal of 45441480 is 8414454.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38905 + ... + 40055.

It is an arithmetic number, because the mean of its divisors is an integer number (1244160).

Almost surely, 2^45441480 is an apocalyptic number.

45441480 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 45441480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79626240).

45441480 is an abundant number, since it is smaller than the sum of its proper divisors (113811000).

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

45441480 is a wasteful number, since it uses less digits than its factorization.

45441480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 45441480 is about 6741.0295949506. The cubic root of 45441480 is about 356.8487303321.

The spelling of 45441480 in words is "forty-five million, four hundred forty-one thousand, four hundred eighty".