28718410514250 has 64 divisors (see below), whose sum is σ = 72751020720768. Its totient is φ = 7543940659200.

The previous prime is 28718410514249. The next prime is 28718410514263. The reversal of 28718410514250 is 5241501481782.

It is a self number, because there is not a number n which added to its sum of digits gives 28718410514250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285705079 + ... + 285805578.

It is an arithmetic number, because the mean of its divisors is an integer number (1136734698762).

Almost surely, 2^{28718410514250} is an apocalyptic number.

28718410514250 is an abundant number, since it is smaller than the sum of its proper divisors (44032610206518).

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

28718410514250 is a wasteful number, since it uses less digits than its factorization.

28718410514250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571510744 (or 571510734 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 48.

The spelling of 28718410514250 in words is "twenty-eight trillion, seven hundred eighteen billion, four hundred ten million, five hundred fourteen thousand, two hundred fifty".