42378009764 has 12 divisors (see below), whose sum is σ = 74881532544. Its totient is φ = 20983286184.

The previous prime is 42378009761. The next prime is 42378009769. The reversal of 42378009764 is 46790087324.

It is not an unprimeable number, because it can be changed into a prime (42378009761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51429212 + ... + 51430035.

It is an arithmetic number, because the mean of its divisors is an integer number (6240127712).

Almost surely, 2^42378009764 is an apocalyptic number.

It is an amenable number.

42378009764 is a deficient number, since it is larger than the sum of its proper divisors (32503522780).

42378009764 is a wasteful number, since it uses less digits than its factorization.

42378009764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102859354 (or 102859352 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 42378009764 in words is "forty-two billion, three hundred seventy-eight million, nine thousand, seven hundred sixty-four".