8150569940 has 24 divisors (see below), whose sum is σ = 17119258632. Its totient is φ = 3259644800.

The previous prime is 8150569883. The next prime is 8150569963. The reversal of 8150569940 is 499650518.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 446645956 + 7703923984 = 21134^2 + 87772^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88622 + ... + 155418.

It is an arithmetic number, because the mean of its divisors is an integer number (713302443).

Almost surely, 2^8150569940 is an apocalyptic number.

It is an amenable number.

8150569940 is an abundant number, since it is smaller than the sum of its proper divisors (8968688692).

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

8150569940 is a wasteful number, since it uses less digits than its factorization.

8150569940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72907 (or 72905 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 8150569940 is about 90280.5069768663. The cubic root of 8150569940 is about 2012.4695881108.

The spelling of 8150569940 in words is "eight billion, one hundred fifty million, five hundred sixty-nine thousand, nine hundred forty".