2519940894 has 16 divisors (see below), whose sum is σ = 5103678720. Its totient is φ = 829347480.

The previous prime is 2519940859. The next prime is 2519940919. The reversal of 2519940894 is 4980499152.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2657692 + ... + 2658639.

It is an arithmetic number, because the mean of its divisors is an integer number (318979920).

Almost surely, 2^2519940894 is an apocalyptic number.

2519940894 is an abundant number, since it is smaller than the sum of its proper divisors (2583737826).

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

2519940894 is a wasteful number, since it uses less digits than its factorization.

2519940894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316415.

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 2519940894 is about 50199.0128787410. The cubic root of 2519940894 is about 1360.8077838835.

The spelling of 2519940894 in words is "two billion, five hundred nineteen million, nine hundred forty thousand, eight hundred ninety-four".