44201420957 has 2 divisors, whose sum is σ = 44201420958. Its totient is φ = 44201420956.

The previous prime is 44201420929. The next prime is 44201420969. The reversal of 44201420957 is 75902410244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32482492441 + 11718928516 = 180229^2 + 108254^2 .

It is a cyclic number.

It is not a de Polignac number, because 44201420957 - 2⁸ = 44201420701 is a prime.

It is a super-2 number, since 2×44201420957² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44201420957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44201420057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22100710478 + 22100710479.

It is an arithmetic number, because the mean of its divisors is an integer number (22100710479).

Almost surely, 2^44201420957 is an apocalyptic number.

It is an amenable number.

44201420957 is a deficient number, since it is larger than the sum of its proper divisors (1).

44201420957 is an equidigital number, since it uses as much as digits as its factorization.

44201420957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 44201420957 in words is "forty-four billion, two hundred one million, four hundred twenty thousand, nine hundred fifty-seven".