454407977620 has 24 divisors (see below), whose sum is σ = 954750500424. Its totient is φ = 181669143936.

The previous prime is 454407977609. The next prime is 454407977651. The reversal of 454407977620 is 26779704454.

It can be written as a sum of positive squares in 4 ways, for example, as 133052775696 + 321355201924 = 364764^2 + 566882^2 .

It is a super-2 number, since 2×454407977620² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5838319 + ... + 5915638.

It is an arithmetic number, because the mean of its divisors is an integer number (39781270851).

Almost surely, 2^454407977620 is an apocalyptic number.

It is an amenable number.

454407977620 is an abundant number, since it is smaller than the sum of its proper divisors (500342522804).

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

454407977620 is a wasteful number, since it uses less digits than its factorization.

454407977620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11755899 (or 11755897 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 55.

The spelling of 454407977620 in words is "four hundred fifty-four billion, four hundred seven million, nine hundred seventy-seven thousand, six hundred twenty".