44120401405 has 32 divisors (see below), whose sum is σ = 55236031488. Its totient is φ = 33794841600.

The previous prime is 44120401399. The next prime is 44120401411. The reversal of 44120401405 is 50410402144.

It is an interprime number because it is at equal distance from previous prime (44120401399) and next prime (44120401411).

It is not a de Polignac number, because 44120401405 - 2⁵ = 44120401373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44120401405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5860974 + ... + 5868496.

It is an arithmetic number, because the mean of its divisors is an integer number (1726125984).

Almost surely, 2^44120401405 is an apocalyptic number.

It is an amenable number.

44120401405 is a deficient number, since it is larger than the sum of its proper divisors (11115630083).

44120401405 is a wasteful number, since it uses less digits than its factorization.

44120401405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7957.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 44120401405 its reverse (50410402144), we get a palindrome (94530803549).

The spelling of 44120401405 in words is "forty-four billion, one hundred twenty million, four hundred one thousand, four hundred five".