1598749488 has 320 divisors, whose sum is σ = 5446794240. Its totient is φ = 445098240.

The previous prime is 1598749487. The next prime is 1598749553. The reversal of 1598749488 is 8849478951.

It is a Harshad number since it is a multiple of its sum of digits (63).

Its product of digits (23224320) is a multiple of the sum of its prime divisors (180).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1598749487) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14941531 + ... + 14941637.

It is an arithmetic number, because the mean of its divisors is an integer number (17021232).

Almost surely, 2^1598749488 is an apocalyptic number.

1598749488 is a gapful number since it is divisible by the number (18) 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 1598749488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2723397120).

1598749488 is an abundant number, since it is smaller than the sum of its proper divisors (3848044752).

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

1598749488 is an equidigital number, since it uses as much as digits as its factorization.

1598749488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 180 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The square root of 1598749488 is about 39984.3655445475. The cubic root of 1598749488 is about 1169.3023059275.

The spelling of 1598749488 in words is "one billion, five hundred ninety-eight million, seven hundred forty-nine thousand, four hundred eighty-eight".