42267890394 has 16 divisors (see below), whose sum is σ = 93928645440. Its totient is φ = 14089296780.

The previous prime is 42267890389. The next prime is 42267890419. The reversal of 42267890394 is 49309876224.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 782738711 = 42267890394 / (4 + 2 + 2 + 6 + 7 + 8 + 9 + 0 + 3 + 9 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 42267890394.

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, 391369302 + ... + 391369409.

It is an arithmetic number, because the mean of its divisors is an integer number (5870540340).

Almost surely, 2^42267890394 is an apocalyptic number.

42267890394 is an abundant number, since it is smaller than the sum of its proper divisors (51660755046).

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

42267890394 is a wasteful number, since it uses less digits than its factorization.

42267890394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782738722 (or 782738716 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 42267890394 in words is "forty-two billion, two hundred sixty-seven million, eight hundred ninety thousand, three hundred ninety-four".