438245846454 has 96 divisors (see below), whose sum is σ = 996995520864. Its totient is φ = 127646876160.

The previous prime is 438245846447. The next prime is 438245846483. The reversal of 438245846454 is 454648542834.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 438245846394 and 438245846403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40344984 + ... + 40355844.

It is an arithmetic number, because the mean of its divisors is an integer number (10385370009).

Almost surely, 2^438245846454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438245846454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498497760432).

438245846454 is an abundant number, since it is smaller than the sum of its proper divisors (558749674410).

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

438245846454 is a wasteful number, since it uses less digits than its factorization.

438245846454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12350 (or 12331 counting only the distinct ones).

The product of its digits is 58982400, while the sum is 57.

The spelling of 438245846454 in words is "four hundred thirty-eight billion, two hundred forty-five million, eight hundred forty-six thousand, four hundred fifty-four".