1500205980 has 192 divisors, whose sum is σ = 5258695680. Its totient is φ = 311095296.

The previous prime is 1500205951. The next prime is 1500205997. The reversal of 1500205980 is 895020051.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 319812 + ... + 324468.

It is an arithmetic number, because the mean of its divisors is an integer number (27389040).

Almost surely, 2^1500205980 is an apocalyptic number.

1500205980 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 1500205980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2629347840).

1500205980 is an abundant number, since it is smaller than the sum of its proper divisors (3758489700).

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

1500205980 is a wasteful number, since it uses less digits than its factorization.

1500205980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748 (or 4746 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1500205980 is about 38732.4925611559. The cubic root of 1500205980 is about 1144.7666375417.

The spelling of 1500205980 in words is "one billion, five hundred million, two hundred five thousand, nine hundred eighty".