5442661812 has 24 divisors (see below), whose sum is σ = 14513765056. Its totient is φ = 1555046208.

The previous prime is 5442661811. The next prime is 5442661817. The reversal of 5442661812 is 2181662445.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5442661811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32396713 + ... + 32396880.

Almost surely, 2^5442661812 is an apocalyptic number.

It is an amenable number.

5442661812 is an abundant number, since it is smaller than the sum of its proper divisors (9071103244).

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

5442661812 is a wasteful number, since it uses less digits than its factorization.

5442661812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64793607 (or 64793605 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 5442661812 is about 73774.3980795506. The cubic root of 5442661812 is about 1759.0186734133.

The spelling of 5442661812 in words is "five billion, four hundred forty-two million, six hundred sixty-one thousand, eight hundred twelve".