2528635040 has 24 divisors (see below), whose sum is σ = 5973900660. Its totient is φ = 1011453952.

The previous prime is 2528635037. The next prime is 2528635099. The reversal of 2528635040 is 405368252.

2528635040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2280635536 + 247999504 = 47756^2 + 15748^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7901825 + ... + 7902144.

Almost surely, 2^2528635040 is an apocalyptic number.

2528635040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2528635040 is an abundant number, since it is smaller than the sum of its proper divisors (3445265620).

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

2528635040 is a wasteful number, since it uses less digits than its factorization.

2528635040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15803984 (or 15803976 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 2528635040 is about 50285.5350970833. The cubic root of 2528635040 is about 1362.3709794503.

The spelling of 2528635040 in words is "two billion, five hundred twenty-eight million, six hundred thirty-five thousand, forty".