454241640 has 32 divisors (see below), whose sum is σ = 1362725280. Its totient is φ = 121131072.

The previous prime is 454241633. The next prime is 454241657. The reversal of 454241640 is 46142454.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 454241598 and 454241607.

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, 1892554 + ... + 1892793.

It is an arithmetic number, because the mean of its divisors is an integer number (42585165).

Almost surely, 2^454241640 is an apocalyptic number.

454241640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

454241640 is an abundant number, since it is smaller than the sum of its proper divisors (908483640).

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

454241640 is a wasteful number, since it uses less digits than its factorization.

454241640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785361 (or 3785357 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 454241640 is about 21312.9453619156. The cubic root of 454241640 is about 768.7096170207.

The spelling of 454241640 in words is "four hundred fifty-four million, two hundred forty-one thousand, six hundred forty".