1590668140 has 24 divisors (see below), whose sum is σ = 3372838560. Its totient is φ = 630089088.

The previous prime is 1590668129. The next prime is 1590668159. The reversal of 1590668140 is 418660951.

It is a super-2 number, since 2×1590668140² = 5060450263222119200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1590668093 and 1590668102.

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, 384025 + ... + 388144.

It is an arithmetic number, because the mean of its divisors is an integer number (140534940).

Almost surely, 2^1590668140 is an apocalyptic number.

1590668140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1590668140 is an abundant number, since it is smaller than the sum of its proper divisors (1782170420).

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

1590668140 is a wasteful number, since it uses less digits than its factorization.

1590668140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772281 (or 772279 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1590668140 is about 39883.1811670032. The cubic root of 1590668140 is about 1167.3287831613.

The spelling of 1590668140 in words is "one billion, five hundred ninety million, six hundred sixty-eight thousand, one hundred forty".