45516435440 has 40 divisors (see below), whose sum is σ = 120943672800. Its totient is φ = 15605634816.

The previous prime is 45516435427. The next prime is 45516435467. The reversal of 45516435440 is 4453461554.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 40639115 + ... + 40640234.

It is an arithmetic number, because the mean of its divisors is an integer number (3023591820).

Almost surely, 2^45516435440 is an apocalyptic number.

45516435440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45516435440 is an abundant number, since it is smaller than the sum of its proper divisors (75427237360).

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

45516435440 is a wasteful number, since it uses less digits than its factorization.

45516435440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81279369 (or 81279363 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 45516435440 its reverse (4453461554), we get a palindrome (49969896994).

The spelling of 45516435440 in words is "forty-five billion, five hundred sixteen million, four hundred thirty-five thousand, four hundred forty".