1590099930 has 128 divisors (see below), whose sum is σ = 4726252800. Its totient is φ = 378058752.

The previous prime is 1590099919. The next prime is 1590099961. The reversal of 1590099930 is 399900951.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78094 + ... + 96326.

It is an arithmetic number, because the mean of its divisors is an integer number (36923850).

Almost surely, 2^1590099930 is an apocalyptic number.

1590099930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1590099930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2363126400).

1590099930 is an abundant number, since it is smaller than the sum of its proper divisors (3136152870).

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

1590099930 is a wasteful number, since it uses less digits than its factorization.

1590099930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18285 (or 18279 counting only the distinct ones).

The product of its (nonzero) digits is 98415, while the sum is 45.

The square root of 1590099930 is about 39876.0571019754. The cubic root of 1590099930 is about 1167.1897709509.

The spelling of 1590099930 in words is "one billion, five hundred ninety million, ninety-nine thousand, nine hundred thirty".