44552425545 has 48 divisors (see below), whose sum is σ = 80166864960. Its totient is φ = 23736815424.

The previous prime is 44552425543. The next prime is 44552425597. The reversal of 44552425545 is 54552425544.

44552425545 is a `hidden beast` number, since 4 + 4 + 5 + 52 + 42 + 554 + 5 = 666.

It is not a de Polignac number, because 44552425545 - 2¹ = 44552425543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 44552425545.

It is not an unprimeable number, because it can be changed into a prime (44552425543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1192966 + ... + 1229744.

It is an arithmetic number, because the mean of its divisors is an integer number (1670143020).

Almost surely, 2^44552425545 is an apocalyptic number.

44552425545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44552425545 is a deficient number, since it is larger than the sum of its proper divisors (35614439415).

44552425545 is an equidigital number, since it uses as much as digits as its factorization.

44552425545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37796 (or 37784 counting only the distinct ones).

The product of its digits is 3200000, while the sum is 45.

Subtracting 44552425545 from its reverse (54552425544), we obtain a palindrome (9999999999).

The spelling of 44552425545 in words is "forty-four billion, five hundred fifty-two million, four hundred twenty-five thousand, five hundred forty-five".