42815802290 has 16 divisors (see below), whose sum is σ = 77316258240. Its totient is φ = 17071251120.

The previous prime is 42815802277. The next prime is 42815802349. The reversal of 42815802290 is 9220851824.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6880460 + ... + 6886679.

It is an arithmetic number, because the mean of its divisors is an integer number (4832266140).

Almost surely, 2^42815802290 is an apocalyptic number.

42815802290 is a deficient number, since it is larger than the sum of its proper divisors (34500455950).

42815802290 is a wasteful number, since it uses less digits than its factorization.

42815802290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13767457.

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 42815802290 in words is "forty-two billion, eight hundred fifteen million, eight hundred two thousand, two hundred ninety".