454464140 has 24 divisors (see below), whose sum is σ = 1027788720. Its totient is φ = 167802048.

The previous prime is 454464139. The next prime is 454464163. The reversal of 454464140 is 41464454.

It is a junction number, because it is equal to n+sod(n) for n = 454464097 and 454464106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873710 + ... + 874229.

It is an arithmetic number, because the mean of its divisors is an integer number (42824530).

Almost surely, 2^454464140 is an apocalyptic number.

It is an amenable number.

454464140 is an abundant number, since it is smaller than the sum of its proper divisors (573324580).

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

454464140 is a wasteful number, since it uses less digits than its factorization.

454464140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747961 (or 1747959 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 454464140 is about 21318.1645551394. The cubic root of 454464140 is about 768.8351082101.

The spelling of 454464140 in words is "four hundred fifty-four million, four hundred sixty-four thousand, one hundred forty".