454427255640 has 64 divisors (see below), whose sum is σ = 1400127233760. Its totient is φ = 117905448960.

The previous prime is 454427255593. The next prime is 454427255699. The reversal of 454427255640 is 46552724454.

It is a self number, because there is not a number n which added to its sum of digits gives 454427255640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51169801 + ... + 51178680.

Almost surely, 2^454427255640 is an apocalyptic number.

454427255640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

454427255640 is an abundant number, since it is smaller than the sum of its proper divisors (945699978120).

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

454427255640 is a wasteful number, since it uses less digits than its factorization.

454427255640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102348532 (or 102348528 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 48.

The spelling of 454427255640 in words is "four hundred fifty-four billion, four hundred twenty-seven million, two hundred fifty-five thousand, six hundred forty".