2485507990 has 64 divisors (see below), whose sum is σ = 5435735040. Its totient is φ = 799286400.

The previous prime is 2485507979. The next prime is 2485507993. The reversal of 2485507990 is 997055842.

2485507990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2485507993) 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, 125079 + ... + 143581.

It is an arithmetic number, because the mean of its divisors is an integer number (84933360).

Almost surely, 2^2485507990 is an apocalyptic number.

2485507990 is an abundant number, since it is smaller than the sum of its proper divisors (2950227050).

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

2485507990 is a wasteful number, since it uses less digits than its factorization.

2485507990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18637.

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 2485507990 is about 49854.8692707142. The cubic root of 2485507990 is about 1354.5812334096.

The spelling of 2485507990 in words is "two billion, four hundred eighty-five million, five hundred seven thousand, nine hundred ninety".