28036049290 has 16 divisors (see below), whose sum is σ = 53433411912. Its totient is φ = 10554747904.

The previous prime is 28036049269. The next prime is 28036049291. The reversal of 28036049290 is 9294063082.

It can be written as a sum of positive squares in 4 ways, for example, as 26036081449 + 1999967841 = 161357^2 + 44721^2 .

It is not an unprimeable number, because it can be changed into a prime (28036049291) 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, 82458799 + ... + 82459138.

Almost surely, 2^28036049290 is an apocalyptic number.

28036049290 is a deficient number, since it is larger than the sum of its proper divisors (25397362622).

28036049290 is a wasteful number, since it uses less digits than its factorization.

28036049290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164917961.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 28036049290 in words is "twenty-eight billion, thirty-six million, forty-nine thousand, two hundred ninety".