1596644340 has 24 divisors (see below), whose sum is σ = 4470604320. Its totient is φ = 425771808.

The previous prime is 1596644339. The next prime is 1596644353. The reversal of 1596644340 is 434466951.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1596644292 and 1596644301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13305310 + ... + 13305429.

It is an arithmetic number, because the mean of its divisors is an integer number (186275180).

Almost surely, 2^1596644340 is an apocalyptic number.

1596644340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1596644340 is an abundant number, since it is smaller than the sum of its proper divisors (2873959980).

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

1596644340 is a wasteful number, since it uses less digits than its factorization.

1596644340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26610751 (or 26610749 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 1596644340 is about 39958.0322338325. The cubic root of 1596644340 is about 1168.7888555433.

It can be divided in two parts, 15966 and 44340, that added together give a palindrome (60306).

The spelling of 1596644340 in words is "one billion, five hundred ninety-six million, six hundred forty-four thousand, three hundred forty".