45441240 has 64 divisors (see below), whose sum is σ = 146815200. Its totient is φ = 11185152.

The previous prime is 45441229. The next prime is 45441283. The reversal of 45441240 is 4214454.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 45441240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13005 + ... + 16124.

Almost surely, 2^45441240 is an apocalyptic number.

45441240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45441240 is an abundant number, since it is smaller than the sum of its proper divisors (101373960).

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

45441240 is a wasteful number, since it uses less digits than its factorization.

45441240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29156 (or 29152 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 45441240 is about 6741.0117934921. The cubic root of 45441240 is about 356.8481020967.

Adding to 45441240 its reverse (4214454), we get a palindrome (49655694).

The spelling of 45441240 in words is "forty-five million, four hundred forty-one thousand, two hundred forty".