1520150976 has 140 divisors (see below), whose sum is σ = 4561786152. Its totient is φ = 500470272.

The previous prime is 1520150969. The next prime is 1520150987. The reversal of 1520150976 is 6790510251.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1520150976.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 428506 + ... + 432038.

Almost surely, 2^1520150976 is an apocalyptic number.

1520150976 is a gapful number since it is divisible by the number (16) 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 1520150976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2280893076).

1520150976 is an abundant number, since it is smaller than the sum of its proper divisors (3041635176).

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

1520150976 is an equidigital number, since it uses as much as digits as its factorization.

1520150976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640 (or 3621 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The square root of 1520150976 is about 38989.1135575047. The cubic root of 1520150976 is about 1149.8174823131.

The spelling of 1520150976 in words is "one billion, five hundred twenty million, one hundred fifty thousand, nine hundred seventy-six".