2540413990 has 16 divisors (see below), whose sum is σ = 4581918000. Its totient is φ = 1014127200.

The previous prime is 2540413979. The next prime is 2540413999. The reversal of 2540413990 is 993140452.

2540413990 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 (2540413999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249561 + ... + 259540.

It is an arithmetic number, because the mean of its divisors is an integer number (286369875).

Almost surely, 2^2540413990 is an apocalyptic number.

2540413990 is a deficient number, since it is larger than the sum of its proper divisors (2041504010).

2540413990 is a wasteful number, since it uses less digits than its factorization.

2540413990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509607.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 2540413990 is about 50402.5196790795. The cubic root of 2540413990 is about 1364.4831132524.

The spelling of 2540413990 in words is "two billion, five hundred forty million, four hundred thirteen thousand, nine hundred ninety".