28479940950 has 48 divisors (see below), whose sum is σ = 70657352640. Its totient is φ = 7591737120.

The previous prime is 28479940939. The next prime is 28479940961. The reversal of 28479940950 is 5904997482.

It is an interprime number because it is at equal distance from previous prime (28479940939) and next prime (28479940961).

It is a super-2 number, since 2×28479940950² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370981 + ... + 441119.

It is an arithmetic number, because the mean of its divisors is an integer number (1472028180).

Almost surely, 2^28479940950 is an apocalyptic number.

28479940950 is an abundant number, since it is smaller than the sum of its proper divisors (42177411690).

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

28479940950 is a wasteful number, since it uses less digits than its factorization.

28479940950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72861 (or 72856 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 28479940950 in words is "twenty-eight billion, four hundred seventy-nine million, nine hundred forty thousand, nine hundred fifty".