42795302778 has 32 divisors (see below), whose sum is σ = 98168440320. Its totient is φ = 13804935840.

The previous prime is 42795302761. The next prime is 42795302839. The reversal of 42795302778 is 87720359724.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 12780675 + ... + 12784022.

It is an arithmetic number, because the mean of its divisors is an integer number (3067763760).

Almost surely, 2^42795302778 is an apocalyptic number.

42795302778 is an abundant number, since it is smaller than the sum of its proper divisors (55373137542).

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

42795302778 is a wasteful number, since it uses less digits than its factorization.

42795302778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25564739 (or 25564733 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 42795302778 in words is "forty-two billion, seven hundred ninety-five million, three hundred two thousand, seven hundred seventy-eight".