40544442530 has 8 divisors (see below), whose sum is σ = 72979996572. Its totient is φ = 16217777008.

The previous prime is 40544442529. The next prime is 40544442557. The reversal of 40544442530 is 3524444504.

It can be written as a sum of positive squares in 2 ways, for example, as 40482647209 + 61795321 = 201203^2 + 7861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2027222117 + ... + 2027222136.

Almost surely, 2^40544442530 is an apocalyptic number.

40544442530 is a deficient number, since it is larger than the sum of its proper divisors (32435554042).

40544442530 is a wasteful number, since it uses less digits than its factorization.

40544442530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054444260.

The product of its (nonzero) digits is 153600, while the sum is 35.

The spelling of 40544442530 in words is "forty billion, five hundred forty-four million, four hundred forty-two thousand, five hundred thirty".