42209960940 has 72 divisors (see below), whose sum is σ = 146327868960. Its totient is φ = 9647990784.

The previous prime is 42209960887. The next prime is 42209960941. The reversal of 42209960940 is 4906990224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (42209960941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16748725 + ... + 16751244.

Almost surely, 2^42209960940 is an apocalyptic number.

It is an amenable number.

42209960940 is an abundant number, since it is smaller than the sum of its proper divisors (104117908020).

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

42209960940 is a wasteful number, since it uses less digits than its factorization.

42209960940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33499991 (or 33499986 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 42209960940 in words is "forty-two billion, two hundred nine million, nine hundred sixty thousand, nine hundred forty".