42454523740 has 12 divisors (see below), whose sum is σ = 89154499896. Its totient is φ = 16981809488.

The previous prime is 42454523717. The next prime is 42454523743. The reversal of 42454523740 is 4732545424.

It is a junction number, because it is equal to n+sod(n) for n = 42454523693 and 42454523702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42454523743) 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, 1061363074 + ... + 1061363113.

It is an arithmetic number, because the mean of its divisors is an integer number (7429541658).

Almost surely, 2^42454523740 is an apocalyptic number.

It is an amenable number.

42454523740 is an abundant number, since it is smaller than the sum of its proper divisors (46699976156).

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

42454523740 is a wasteful number, since it uses less digits than its factorization.

42454523740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122726196 (or 2122726194 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 40.

The spelling of 42454523740 in words is "forty-two billion, four hundred fifty-four million, five hundred twenty-three thousand, seven hundred forty".