454416660 has 144 divisors (see below), whose sum is σ = 1435674240. Its totient is φ = 116202240.

The previous prime is 454416659. The next prime is 454416709. The reversal of 454416660 is 66614454.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1372695 + ... + 1373025.

It is an arithmetic number, because the mean of its divisors is an integer number (9969960).

Almost surely, 2^454416660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454416660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717837120).

454416660 is an abundant number, since it is smaller than the sum of its proper divisors (981257580).

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

454416660 is a wasteful number, since it uses less digits than its factorization.

454416660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 454416660 is about 21317.0509217387. The cubic root of 454416660 is about 768.8083326745.

The spelling of 454416660 in words is "four hundred fifty-four million, four hundred sixteen thousand, six hundred sixty".