28037011144 has 32 divisors (see below), whose sum is σ = 54241447680. Its totient is φ = 13578776064.

The previous prime is 28037011139. The next prime is 28037011153. The reversal of 28037011144 is 44111073082.

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, 347892 + ... + 420835.

It is an arithmetic number, because the mean of its divisors is an integer number (1695045240).

Almost surely, 2^28037011144 is an apocalyptic number.

It is an amenable number.

28037011144 is a deficient number, since it is larger than the sum of its proper divisors (26204436536).

28037011144 is a wasteful number, since it uses less digits than its factorization.

28037011144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768877 (or 768873 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 28037011144 in words is "twenty-eight billion, thirty-seven million, eleven thousand, one hundred forty-four".