42718245890 has 32 divisors (see below), whose sum is σ = 77614467840. Its totient is φ = 16927473024.

The previous prime is 42718245887. The next prime is 42718245931. The reversal of 42718245890 is 9854281724.

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, 610382 + ... + 676758.

It is an arithmetic number, because the mean of its divisors is an integer number (2425452120).

Almost surely, 2^42718245890 is an apocalyptic number.

42718245890 is a deficient number, since it is larger than the sum of its proper divisors (34896221950).

42718245890 is a wasteful number, since it uses less digits than its factorization.

42718245890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66986.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 42718245890 in words is "forty-two billion, seven hundred eighteen million, two hundred forty-five thousand, eight hundred ninety".