7928049250 has 64 divisors (see below), whose sum is σ = 17042762880. Its totient is φ = 2731176000.

The previous prime is 7928049247. The next prime is 7928049251. The reversal of 7928049250 is 529408297.

It is a self number, because there is not a number n which added to its sum of digits gives 7928049250.

It is not an unprimeable number, because it can be changed into a prime (7928049251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23617 + ... + 128116.

It is an arithmetic number, because the mean of its divisors is an integer number (266293170).

Almost surely, 2^7928049250 is an apocalyptic number.

7928049250 is an abundant number, since it is smaller than the sum of its proper divisors (9114713630).

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

7928049250 is a wasteful number, since it uses less digits than its factorization.

7928049250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151780 (or 151770 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 7928049250 is about 89039.5937209958. The cubic root of 7928049250 is about 1993.9860384257.

The spelling of 7928049250 in words is "seven billion, nine hundred twenty-eight million, forty-nine thousand, two hundred fifty".