28740204435 has 16 divisors (see below), whose sum is σ = 46002981024. Its totient is φ = 15321891072.

The previous prime is 28740204419. The next prime is 28740204443. The reversal of 28740204435 is 53440204782.

It is a happy number.

It is not a de Polignac number, because 28740204435 - 2⁴ = 28740204419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28740204393 and 28740204402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350292 + ... + 424481.

It is an arithmetic number, because the mean of its divisors is an integer number (2875186314).

Almost surely, 2^28740204435 is an apocalyptic number.

28740204435 is a deficient number, since it is larger than the sum of its proper divisors (17262776589).

28740204435 is a wasteful number, since it uses less digits than its factorization.

28740204435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777254.

The product of its (nonzero) digits is 215040, while the sum is 39.

The spelling of 28740204435 in words is "twenty-eight billion, seven hundred forty million, two hundred four thousand, four hundred thirty-five".