1500247980 has 576 divisors, whose sum is σ = 6222827520. Its totient is φ = 293932800.

The previous prime is 1500247951. The next prime is 1500247997. The reversal of 1500247980 is 897420051.

1500247980 is a `hidden beast` number, since 1 + 500 + 2 + 4 + 79 + 80 = 666.

It is a super-3 number, since 3×1500247980³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7110075 + ... + 7110285.

It is an arithmetic number, because the mean of its divisors is an integer number (10803520).

Almost surely, 2^1500247980 is an apocalyptic number.

1500247980 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 1500247980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3111413760).

1500247980 is an abundant number, since it is smaller than the sum of its proper divisors (4722579540).

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

1500247980 is a wasteful number, since it uses less digits than its factorization.

1500247980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 1500247980 is about 38733.0347378049. The cubic root of 1500247980 is about 1144.7773204636. Note that the first 3 decimals are identical.

The spelling of 1500247980 in words is "one billion, five hundred million, two hundred forty-seven thousand, nine hundred eighty".