44554400399 has 2 divisors, whose sum is σ = 44554400400. Its totient is φ = 44554400398.

The previous prime is 44554400383. The next prime is 44554400431. The reversal of 44554400399 is 99300445544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44554400399 - 2⁴ = 44554400383 is a prime.

It is a super-2 number, since 2×44554400399² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44554400999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22277200199 + 22277200200.

It is an arithmetic number, because the mean of its divisors is an integer number (22277200200).

Almost surely, 2^44554400399 is an apocalyptic number.

44554400399 is a deficient number, since it is larger than the sum of its proper divisors (1).

44554400399 is an equidigital number, since it uses as much as digits as its factorization.

44554400399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 44554400399 in words is "forty-four billion, five hundred fifty-four million, four hundred thousand, three hundred ninety-nine".