2890376840 has 32 divisors (see below), whose sum is σ = 7003606680. Its totient is φ = 1067215872.

The previous prime is 2890376831. The next prime is 2890376849. The reversal of 2890376840 is 486730982.

It is an interprime number because it is at equal distance from previous prime (2890376831) and next prime (2890376849).

It can be written as a sum of positive squares in 4 ways, for example, as 1075446436 + 1814930404 = 32794^2 + 42602^2 .

It is not an unprimeable number, because it can be changed into a prime (2890376849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2778689 + ... + 2779728.

Almost surely, 2^2890376840 is an apocalyptic number.

2890376840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2890376840 is an abundant number, since it is smaller than the sum of its proper divisors (4113229840).

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

2890376840 is a wasteful number, since it uses less digits than its factorization.

2890376840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5558441 (or 5558437 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 2890376840 is about 53762.2250283598. The cubic root of 2890376840 is about 1424.4640381062.

The spelling of 2890376840 in words is "two billion, eight hundred ninety million, three hundred seventy-six thousand, eight hundred forty".