4466198640 has 80 divisors (see below), whose sum is σ = 14020531200. Its totient is φ = 1175905536.

The previous prime is 4466198629. The next prime is 4466198651. The reversal of 4466198640 is 468916644.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4466198629) and next prime (4466198651).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 4466198640.

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, 98820 + ... + 136739.

It is an arithmetic number, because the mean of its divisors is an integer number (175256640).

Almost surely, 2^4466198640 is an apocalyptic number.

4466198640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4466198640 is an abundant number, since it is smaller than the sum of its proper divisors (9554332560).

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

4466198640 is a wasteful number, since it uses less digits than its factorization.

4466198640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235654 (or 235648 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 4466198640 is about 66829.6239702125. The cubic root of 4466198640 is about 1646.8195410274.

The spelling of 4466198640 in words is "four billion, four hundred sixty-six million, one hundred ninety-eight thousand, six hundred forty".