1598425920 has 896 divisors, whose sum is σ = 7373721600. Its totient is φ = 316514304.

The previous prime is 1598425897. The next prime is 1598425931. The reversal of 1598425920 is 295248951.

It is a happy number.

1598425920 is a `hidden beast` number, since 1 + 59 + 8 + 4 + 2 + 592 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14938507 + ... + 14938613.

It is an arithmetic number, because the mean of its divisors is an integer number (8229600).

Almost surely, 2^1598425920 is an apocalyptic number.

1598425920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1598425920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3686860800).

1598425920 is an abundant number, since it is smaller than the sum of its proper divisors (5775295680).

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

1598425920 is a wasteful number, since it uses less digits than its factorization.

1598425920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 1598425920 is about 39980.3191583059. The cubic root of 1598425920 is about 1169.2234162830.

The spelling of 1598425920 in words is "one billion, five hundred ninety-eight million, four hundred twenty-five thousand, nine hundred twenty".