438414267641 has 16 divisors (see below), whose sum is σ = 536354918400. Its totient is φ = 349971571728.

The previous prime is 438414267637. The next prime is 438414267653. The reversal of 438414267641 is 146762414834.

It is a cyclic number.

It is not a de Polignac number, because 438414267641 - 2² = 438414267637 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 438414267641.

It is not an unprimeable number, because it can be changed into a prime (438414267541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27927305 + ... + 27942998.

It is an arithmetic number, because the mean of its divisors is an integer number (33522182400).

Almost surely, 2^438414267641 is an apocalyptic number.

It is an amenable number.

438414267641 is a deficient number, since it is larger than the sum of its proper divisors (97940650759).

438414267641 is a wasteful number, since it uses less digits than its factorization.

438414267641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55870388.

The product of its digits is 3096576, while the sum is 50.

The spelling of 438414267641 in words is "four hundred thirty-eight billion, four hundred fourteen million, two hundred sixty-seven thousand, six hundred forty-one".