2520235998 has 32 divisors (see below), whose sum is σ = 6400600320. Its totient is φ = 720067320.

The previous prime is 2520235957. The next prime is 2520235999. The reversal of 2520235998 is 8995320252.

2520235998 is a `hidden beast` number, since 2 + 5 + 202 + 359 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520235999) 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, 3333268 + ... + 3334023.

It is an arithmetic number, because the mean of its divisors is an integer number (200018760).

Almost surely, 2^2520235998 is an apocalyptic number.

2520235998 is an abundant number, since it is smaller than the sum of its proper divisors (3880364322).

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

2520235998 is a wasteful number, since it uses less digits than its factorization.

2520235998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6667309 (or 6667303 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 2520235998 is about 50201.9521333583. The cubic root of 2520235998 is about 1360.8609020798.

The spelling of 2520235998 in words is "two billion, five hundred twenty million, two hundred thirty-five thousand, nine hundred ninety-eight".