28419020104 has 16 divisors (see below), whose sum is σ = 55004555520. Its totient is φ = 13751138640.

The previous prime is 28419020101. The next prime is 28419020129. The reversal of 28419020104 is 40102091482.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (28419020101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57296164 + ... + 57296659.

It is an arithmetic number, because the mean of its divisors is an integer number (3437784720).

Almost surely, 2^28419020104 is an apocalyptic number.

It is an amenable number.

28419020104 is a deficient number, since it is larger than the sum of its proper divisors (26585535416).

28419020104 is a wasteful number, since it uses less digits than its factorization.

28419020104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114592860 (or 114592856 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 28419020104 in words is "twenty-eight billion, four hundred nineteen million, twenty thousand, one hundred four".