3644476470 has 128 divisors (see below), whose sum is σ = 9992626560. Its totient is φ = 944640000.

The previous prime is 3644476447. The next prime is 3644476489. The reversal of 3644476470 is 746744463.

3644476470 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4438660 + ... + 4439480.

It is an arithmetic number, because the mean of its divisors is an integer number (78067395).

Almost surely, 2^3644476470 is an apocalyptic number.

3644476470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3644476470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4996313280).

3644476470 is an abundant number, since it is smaller than the sum of its proper divisors (6348150090).

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

3644476470 is a wasteful number, since it uses less digits than its factorization.

3644476470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 45.

The square root of 3644476470 is about 60369.4995009897. The cubic root of 3644476470 is about 1538.9046675176.

The spelling of 3644476470 in words is "three billion, six hundred forty-four million, four hundred seventy-six thousand, four hundred seventy".