44145552399 has 8 divisors (see below), whose sum is σ = 63388485552. Its totient is φ = 27166493760.

The previous prime is 44145552331. The next prime is 44145552421. The reversal of 44145552399 is 99325554144.

44145552399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 44145552399 - 2²⁷ = 44011334671 is a prime.

It is a super-2 number, since 2×44145552399² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44145552599) 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, 565968582 + ... + 565968659.

It is an arithmetic number, because the mean of its divisors is an integer number (7923560694).

Almost surely, 2^44145552399 is an apocalyptic number.

44145552399 is a deficient number, since it is larger than the sum of its proper divisors (19242933153).

44145552399 is a wasteful number, since it uses less digits than its factorization.

44145552399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131937257.

The product of its digits is 3888000, while the sum is 51.

The spelling of 44145552399 in words is "forty-four billion, one hundred forty-five million, five hundred fifty-two thousand, three hundred ninety-nine".