8040355242 has 16 divisors (see below), whose sum is σ = 16162340832. Its totient is φ = 2666513360.

The previous prime is 8040355237. The next prime is 8040355247. The reversal of 8040355242 is 2425530408.

It is an interprime number because it is at equal distance from previous prime (8040355237) and next prime (8040355247).

It is not an unprimeable number, because it can be changed into a prime (8040355247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3399984 + ... + 3402347.

It is an arithmetic number, because the mean of its divisors is an integer number (1010146302).

Almost surely, 2^8040355242 is an apocalyptic number.

8040355242 is an abundant number, since it is smaller than the sum of its proper divisors (8121985590).

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

8040355242 is a wasteful number, since it uses less digits than its factorization.

8040355242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6802533.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 8040355242 is about 89668.0279809922. The cubic root of 8040355242 is about 2003.3572979551.

The spelling of 8040355242 in words is "eight billion, forty million, three hundred fifty-five thousand, two hundred forty-two".