1520490276 has 144 divisors (see below), whose sum is σ = 4151347200. Its totient is φ = 467812800.

The previous prime is 1520490269. The next prime is 1520490311. The reversal of 1520490276 is 6720940251.

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 1520490276.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6361765 + ... + 6362003.

It is an arithmetic number, because the mean of its divisors is an integer number (28828800).

Almost surely, 2^1520490276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1520490276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2075673600).

1520490276 is an abundant number, since it is smaller than the sum of its proper divisors (2630856924).

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

1520490276 is a wasteful number, since it uses less digits than its factorization.

1520490276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1520490276 is about 38993.4645293285. The cubic root of 1520490276 is about 1149.9030229503.

The spelling of 1520490276 in words is "one billion, five hundred twenty million, four hundred ninety thousand, two hundred seventy-six".