42378957702 has 32 divisors (see below), whose sum is σ = 99132067200. Its totient is φ = 13382828424.

The previous prime is 42378957653. The next prime is 42378957727. The reversal of 42378957702 is 20775987324.

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

It is a congruent number.

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, 20651488 + ... + 20653539.

It is an arithmetic number, because the mean of its divisors is an integer number (3097877100).

Almost surely, 2^42378957702 is an apocalyptic number.

42378957702 is an abundant number, since it is smaller than the sum of its proper divisors (56753109498).

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

42378957702 is a wasteful number, since it uses less digits than its factorization.

42378957702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41305057 (or 41305051 counting only the distinct ones).

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

The spelling of 42378957702 in words is "forty-two billion, three hundred seventy-eight million, nine hundred fifty-seven thousand, seven hundred two".