8274243540 has 48 divisors (see below), whose sum is σ = 23461159680. Its totient is φ = 2178533760.

The previous prime is 8274243539. The next prime is 8274243563. The reversal of 8274243540 is 453424728.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868071 + ... + 877550.

It is an arithmetic number, because the mean of its divisors is an integer number (488774160).

Almost surely, 2^8274243540 is an apocalyptic number.

It is an amenable number.

8274243540 is an abundant number, since it is smaller than the sum of its proper divisors (15186916140).

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

8274243540 is a wasteful number, since it uses less digits than its factorization.

8274243540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745712 (or 1745710 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 39.

The square root of 8274243540 is about 90962.8690180779. The cubic root of 8274243540 is about 2022.5973467018.

The spelling of 8274243540 in words is "eight billion, two hundred seventy-four million, two hundred forty-three thousand, five hundred forty".