2581077090 has 16 divisors (see below), whose sum is σ = 6194585088. Its totient is φ = 688287216.

The previous prime is 2581077077. The next prime is 2581077131. The reversal of 2581077090 is 907701852.

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, 43017922 + ... + 43017981.

It is an arithmetic number, because the mean of its divisors is an integer number (387161568).

Almost surely, 2^2581077090 is an apocalyptic number.

2581077090 is an abundant number, since it is smaller than the sum of its proper divisors (3613507998).

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

2581077090 is a wasteful number, since it uses less digits than its factorization.

2581077090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86035913.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 2581077090 is about 50804.3018847814. The cubic root of 2581077090 is about 1371.7248046991.

The spelling of 2581077090 in words is "two billion, five hundred eighty-one million, seventy-seven thousand, ninety".