42649390708 has 12 divisors (see below), whose sum is σ = 75206178432. Its totient is φ = 21161911160.

The previous prime is 42649390703. The next prime is 42649390709. The reversal of 42649390708 is 80709394624.

It is a happy number.

42649390708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42649390703) 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, 40695460 + ... + 40696507.

It is an arithmetic number, because the mean of its divisors is an integer number (6267181536).

Almost surely, 2^42649390708 is an apocalyptic number.

It is an amenable number.

42649390708 is a deficient number, since it is larger than the sum of its proper divisors (32556787724).

42649390708 is a wasteful number, since it uses less digits than its factorization.

42649390708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81392102 (or 81392100 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 42649390708 in words is "forty-two billion, six hundred forty-nine million, three hundred ninety thousand, seven hundred eight".