1477344464 has 80 divisors (see below), whose sum is σ = 3093552000. Its totient is φ = 681719808.

The previous prime is 1477344443. The next prime is 1477344493. The reversal of 1477344464 is 4644437741.

It is a super-2 number, since 2×1477344464² = 4365093330622894592, which contains 22 as substring.

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, 1407812 + ... + 1408860.

It is an arithmetic number, because the mean of its divisors is an integer number (38669400).

Almost surely, 2^1477344464 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 1477344464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1546776000).

1477344464 is an abundant number, since it is smaller than the sum of its proper divisors (1616207536).

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

1477344464 is a wasteful number, since it uses less digits than its factorization.

1477344464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1206 counting only the distinct ones).

The product of its digits is 903168, while the sum is 44.

The square root of 1477344464 is about 38436.2389419152. The cubic root of 1477344464 is about 1138.9218451277.

The spelling of 1477344464 in words is "one billion, four hundred seventy-seven million, three hundred forty-four thousand, four hundred sixty-four".