2509140378 has 32 divisors (see below), whose sum is σ = 5262465600. Its totient is φ = 796473216.

The previous prime is 2509140371. The next prime is 2509140379. The reversal of 2509140378 is 8730419052.

2509140378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2509140371) 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, 86068 + ... + 111471.

It is an arithmetic number, because the mean of its divisors is an integer number (164452050).

Almost surely, 2^2509140378 is an apocalyptic number.

2509140378 is an abundant number, since it is smaller than the sum of its proper divisors (2753325222).

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

2509140378 is a wasteful number, since it uses less digits than its factorization.

2509140378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197646.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 2509140378 is about 50091.3203858712. The cubic root of 2509140378 is about 1358.8608500965.

The spelling of 2509140378 in words is "two billion, five hundred nine million, one hundred forty thousand, three hundred seventy-eight".