52445546440 has 64 divisors (see below), whose sum is σ = 136053509760. Its totient is φ = 17822192640.

The previous prime is 52445546369. The next prime is 52445546449. The reversal of 52445546440 is 4464554425.

It is not an unprimeable number, because it can be changed into a prime (52445546449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797146 + ... + 860425.

It is an arithmetic number, because the mean of its divisors is an integer number (2125836090).

Almost surely, 2^52445546440 is an apocalyptic number.

It is an amenable number.

52445546440 is an abundant number, since it is smaller than the sum of its proper divisors (83607963320).

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

52445546440 is a wasteful number, since it uses less digits than its factorization.

52445546440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657702 (or 1657698 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 43.

The spelling of 52445546440 in words is "fifty-two billion, four hundred forty-five million, five hundred forty-six thousand, four hundred forty".