42074645615 has 8 divisors (see below), whose sum is σ = 50979765408. Its totient is φ = 33332922720.

The previous prime is 42074645611. The next prime is 42074645647. The reversal of 42074645615 is 51654647024.

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

It is not a de Polignac number, because 42074645615 - 2² = 42074645611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42074645611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40848656 + ... + 40849685.

It is an arithmetic number, because the mean of its divisors is an integer number (6372470676).

Almost surely, 2^42074645615 is an apocalyptic number.

42074645615 is a deficient number, since it is larger than the sum of its proper divisors (8905119793).

42074645615 is a wasteful number, since it uses less digits than its factorization.

42074645615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81698449.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 42074645615 in words is "forty-two billion, seventy-four million, six hundred forty-five thousand, six hundred fifteen".