1520488704 has 288 divisors, whose sum is σ = 4973101056. Its totient is φ = 402554880.

The previous prime is 1520488691. The next prime is 1520488709. The reversal of 1520488704 is 4078840251.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1520488709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11606719 + ... + 11606849.

It is an arithmetic number, because the mean of its divisors is an integer number (17267712).

Almost surely, 2^1520488704 is an apocalyptic number.

1520488704 is a gapful number since it is divisible by the number (14) 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 1520488704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2486550528).

1520488704 is an abundant number, since it is smaller than the sum of its proper divisors (3452612352).

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

1520488704 is a wasteful number, since it uses less digits than its factorization.

1520488704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 1520488704 is about 38993.4443720993. Note that the first 3 decimals coincide. The cubic root of 1520488704 is about 1149.9026266640.

The spelling of 1520488704 in words is "one billion, five hundred twenty million, four hundred eighty-eight thousand, seven hundred four".