454463625516642 has 64 divisors (see below), whose sum is σ = 1154987687957760. Its totient is φ = 129757385400192.

The previous prime is 454463625516629. The next prime is 454463625516673. The reversal of 454463625516642 is 246615526364454.

It is a happy number.

454463625516642 is a `hidden beast` number, since 4 + 5 + 4 + 4 + 6 + 36 + 2 + 551 + 6 + 6 + 42 = 666.

It is a super-2 number, since 2×454463625516642² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 454463625516642.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413175723 + ... + 414274190.

It is an arithmetic number, because the mean of its divisors is an integer number (18046682624340).

Almost surely, 2^{454463625516642} is an apocalyptic number.

454463625516642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

454463625516642 is an abundant number, since it is smaller than the sum of its proper divisors (700524062441118).

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

454463625516642 is a wasteful number, since it uses less digits than its factorization.

454463625516642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827451384 (or 827451378 counting only the distinct ones).

The product of its digits is 497664000, while the sum is 63.

The spelling of 454463625516642 in words is "four hundred fifty-four trillion, four hundred sixty-three billion, six hundred twenty-five million, five hundred sixteen thousand, six hundred forty-two".