454872840444 has 72 divisors (see below), whose sum is σ = 1269459015552. Its totient is φ = 136179518880.

The previous prime is 454872840439. The next prime is 454872840463. The reversal of 454872840444 is 444048278454.

It is a happy number.

454872840444 is a `hidden beast` number, since 4 + 54 + 8 + 72 + 84 + 0 + 444 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6886824 + ... + 6952559.

It is an arithmetic number, because the mean of its divisors is an integer number (17631375216).

Almost surely, 2^454872840444 is an apocalyptic number.

454872840444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

454872840444 is an abundant number, since it is smaller than the sum of its proper divisors (814586175108).

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

454872840444 is a wasteful number, since it uses less digits than its factorization.

454872840444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13839487 (or 13839482 counting only the distinct ones).

The product of its (nonzero) digits is 18350080, while the sum is 54.

The spelling of 454872840444 in words is "four hundred fifty-four billion, eight hundred seventy-two million, eight hundred forty thousand, four hundred forty-four".