454377445446 has 32 divisors (see below), whose sum is σ = 940908441600. Its totient is φ = 146109303200.

The previous prime is 454377445421. The next prime is 454377445451. The reversal of 454377445446 is 644544773454.

It is a super-2 number, since 2×454377445446² (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 15 ways as a sum of consecutive naturals, for example, 934116 + ... + 1334663.

It is an arithmetic number, because the mean of its divisors is an integer number (29403388800).

Almost surely, 2^454377445446 is an apocalyptic number.

454377445446 is an abundant number, since it is smaller than the sum of its proper divisors (486530996154).

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

454377445446 is a wasteful number, since it uses less digits than its factorization.

454377445446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269964.

The product of its digits is 90316800, while the sum is 57.

The spelling of 454377445446 in words is "four hundred fifty-four billion, three hundred seventy-seven million, four hundred forty-five thousand, four hundred forty-six".