42340625634 has 8 divisors (see below), whose sum is σ = 84681251280. Its totient is φ = 14113541876.

The previous prime is 42340625633. The next prime is 42340625651. The reversal of 42340625634 is 43652604324.

It is a sphenic number, since it is the product of 3 distinct primes.

42340625634 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 42340625592 and 42340625601.

It is not an unprimeable number, because it can be changed into a prime (42340625633) 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, 3528385464 + ... + 3528385475.

It is an arithmetic number, because the mean of its divisors is an integer number (10585156410).

Almost surely, 2^42340625634 is an apocalyptic number.

42340625634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42340625634 is a wasteful number, since it uses less digits than its factorization.

42340625634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7056770944.

The product of its (nonzero) digits is 414720, while the sum is 39.

The spelling of 42340625634 in words is "forty-two billion, three hundred forty million, six hundred twenty-five thousand, six hundred thirty-four".