42920045658 has 48 divisors (see below), whose sum is σ = 109150604160. Its totient is φ = 11931439968.

The previous prime is 42920045653. The next prime is 42920045681. The reversal of 42920045658 is 85654002924.

It is not an unprimeable number, because it can be changed into a prime (42920045653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4598518 + ... + 4607841.

It is an arithmetic number, because the mean of its divisors is an integer number (2273970920).

Almost surely, 2^42920045658 is an apocalyptic number.

42920045658 is an abundant number, since it is smaller than the sum of its proper divisors (66230558502).

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

42920045658 is a wasteful number, since it uses less digits than its factorization.

42920045658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9206411 (or 9206408 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 42920045658 in words is "forty-two billion, nine hundred twenty million, forty-five thousand, six hundred fifty-eight".