1520526648 has 64 divisors (see below), whose sum is σ = 4029212160. Its totient is φ = 476519936.

The previous prime is 1520526647. The next prime is 1520526653. The reversal of 1520526648 is 8466250251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520526643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620161 + ... + 622607.

It is an arithmetic number, because the mean of its divisors is an integer number (62956440).

Almost surely, 2^1520526648 is an apocalyptic number.

It is an amenable number.

1520526648 is an abundant number, since it is smaller than the sum of its proper divisors (2508685512).

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

1520526648 is a wasteful number, since it uses less digits than its factorization.

1520526648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996 (or 3992 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 1520526648 is about 38993.9309123869. The cubic root of 1520526648 is about 1149.9121919093.

Adding to 1520526648 its reverse (8466250251), we get a palindrome (9986776899).

The spelling of 1520526648 in words is "one billion, five hundred twenty million, five hundred twenty-six thousand, six hundred forty-eight".