1599346944 has 360 divisors, whose sum is σ = 5453494200. Its totient is φ = 461832192.

The previous prime is 1599346937. The next prime is 1599346949. The reversal of 1599346944 is 4496439951.

It is a happy number.

1599346944 is a `hidden beast` number, since 1 + 59 + 93 + 469 + 44 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 324000000 + 1275346944 = 18000^2 + 35712^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (4199040) is a multiple of the sum of its prime divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1599346949) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4582482 + ... + 4582830.

It is an arithmetic number, because the mean of its divisors is an integer number (15148595).

Almost surely, 2^1599346944 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 1599346944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2726747100).

1599346944 is an abundant number, since it is smaller than the sum of its proper divisors (3854147256).

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

1599346944 is a wasteful number, since it uses less digits than its factorization.

1599346944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 384 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 1599346944 is about 39991.8359668570. The cubic root of 1599346944 is about 1169.4479446862.

The spelling of 1599346944 in words is "one billion, five hundred ninety-nine million, three hundred forty-six thousand, nine hundred forty-four".