2546278890 has 16 divisors (see below), whose sum is σ = 6111069408. Its totient is φ = 679007696.

The previous prime is 2546278879. The next prime is 2546278907. The reversal of 2546278890 is 988726452.

2546278890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 42437952 + ... + 42438011.

It is an arithmetic number, because the mean of its divisors is an integer number (381941838).

Almost surely, 2^2546278890 is an apocalyptic number.

2546278890 is an abundant number, since it is smaller than the sum of its proper divisors (3564790518).

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

2546278890 is a wasteful number, since it uses less digits than its factorization.

2546278890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84875973.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 2546278890 is about 50460.6667613499. Note that the first 3 decimals coincide. The cubic root of 2546278890 is about 1365.5323394270.

The spelling of 2546278890 in words is "two billion, five hundred forty-six million, two hundred seventy-eight thousand, eight hundred ninety".