1870438464 has 168 divisors, whose sum is σ = 5763390048. Its totient is φ = 577843200.

The previous prime is 1870438441. The next prime is 1870438511. The reversal of 1870438464 is 4648340781.

1870438464 is a `hidden beast` number, since 187 + 0 + 4 + 3 + 8 + 464 = 666.

It is a super-2 number, since 2×1870438464² = 6997080095221358592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 654639 + ... + 657489.

Almost surely, 2^1870438464 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 1870438464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2881695024).

1870438464 is an abundant number, since it is smaller than the sum of its proper divisors (3892951584).

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

1870438464 is a wasteful number, since it uses less digits than its factorization.

1870438464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953 (or 2940 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 1870438464 is about 43248.5660340317. The cubic root of 1870438464 is about 1232.1052504673.

The spelling of 1870438464 in words is "one billion, eight hundred seventy million, four hundred thirty-eight thousand, four hundred sixty-four".