2890402890 has 16 divisors (see below), whose sum is σ = 6936967008. Its totient is φ = 770774096.

The previous prime is 2890402843. The next prime is 2890402901. The reversal of 2890402890 is 982040982.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48173352 + ... + 48173411.

It is an arithmetic number, because the mean of its divisors is an integer number (433560438).

Almost surely, 2^2890402890 is an apocalyptic number.

2890402890 is an abundant number, since it is smaller than the sum of its proper divisors (4046564118).

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

2890402890 is a wasteful number, since it uses less digits than its factorization.

2890402890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96346773.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 2890402890 is about 53762.4672982928. The cubic root of 2890402890 is about 1424.4683174994.

The spelling of 2890402890 in words is "two billion, eight hundred ninety million, four hundred two thousand, eight hundred ninety".