42450217342 has 48 divisors (see below), whose sum is σ = 71637780240. Its totient is φ = 18834606336.

The previous prime is 42450217301. The next prime is 42450217343. The reversal of 42450217342 is 24371205424.

It is a junction number, because it is equal to n+sod(n) for n = 42450217298 and 42450217307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42450217343) 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, 2274573 + ... + 2293159.

It is an arithmetic number, because the mean of its divisors is an integer number (1492453755).

Almost surely, 2^42450217342 is an apocalyptic number.

42450217342 is a deficient number, since it is larger than the sum of its proper divisors (29187562898).

42450217342 is a wasteful number, since it uses less digits than its factorization.

42450217342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18877 (or 18864 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 42450217342 in words is "forty-two billion, four hundred fifty million, two hundred seventeen thousand, three hundred forty-two".