454361640 has 32 divisors (see below), whose sum is σ = 1363085280. Its totient is φ = 121163072.

The previous prime is 454361623. The next prime is 454361641. The reversal of 454361640 is 46163454.

It is not an unprimeable number, because it can be changed into a prime (454361641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1893054 + ... + 1893293.

It is an arithmetic number, because the mean of its divisors is an integer number (42596415).

Almost surely, 2^454361640 is an apocalyptic number.

454361640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

454361640 is an abundant number, since it is smaller than the sum of its proper divisors (908723640).

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

454361640 is a wasteful number, since it uses less digits than its factorization.

454361640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786361 (or 3786357 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 454361640 is about 21315.7603664519. The cubic root of 454361640 is about 768.7773027516. Note that the first 3 decimals are identical.

The spelling of 454361640 in words is "four hundred fifty-four million, three hundred sixty-one thousand, six hundred forty".