45440024 has 16 divisors (see below), whose sum is σ = 97371600. Its totient is φ = 19474272.

The previous prime is 45440009. The next prime is 45440047. The reversal of 45440024 is 42004454.

It is a super-2 number, since 2×45440024² = 4129591562241152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405659 + ... + 405770.

It is an arithmetic number, because the mean of its divisors is an integer number (6085725).

Almost surely, 2^45440024 is an apocalyptic number.

It is an amenable number.

45440024 is an abundant number, since it is smaller than the sum of its proper divisors (51931576).

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

45440024 is a wasteful number, since it uses less digits than its factorization.

45440024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811442 (or 811438 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 45440024 is about 6740.9215987133. The cubic root of 45440024 is about 356.8449190030.

Adding to 45440024 its reverse (42004454), we get a palindrome (87444478).

The spelling of 45440024 in words is "forty-five million, four hundred forty thousand, twenty-four".