438494756144 has 40 divisors (see below), whose sum is σ = 896364139440. Its totient is φ = 207228284928.

The previous prime is 438494756143. The next prime is 438494756171. The reversal of 438494756144 is 441657494834.

It is not an unprimeable number, because it can be changed into a prime (438494756143) 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, 1533977 + ... + 1797240.

It is an arithmetic number, because the mean of its divisors is an integer number (22409103486).

Almost surely, 2^438494756144 is an apocalyptic number.

It is an amenable number.

438494756144 is an abundant number, since it is smaller than the sum of its proper divisors (457869383296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

438494756144 is a wasteful number, since it uses less digits than its factorization.

438494756144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331677 (or 3331671 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 59.

The spelling of 438494756144 in words is "four hundred thirty-eight billion, four hundred ninety-four million, seven hundred fifty-six thousand, one hundred forty-four".