42015801 has 8 divisors (see below), whose sum is σ = 56183904. Its totient is φ = 27929120.

The previous prime is 42015793. The next prime is 42015851. The reversal of 42015801 is 10851024.

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

It is a cyclic number.

It is not a de Polignac number, because 42015801 - 2³ = 42015793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42015851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19140 + ... + 21221.

It is an arithmetic number, because the mean of its divisors is an integer number (7022988).

Almost surely, 2^42015801 is an apocalyptic number.

It is an amenable number.

42015801 is a deficient number, since it is larger than the sum of its proper divisors (14168103).

42015801 is a wasteful number, since it uses less digits than its factorization.

42015801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40711.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 42015801 is about 6481.9596573876. The cubic root of 42015801 is about 347.6462500526.

Adding to 42015801 its reverse (10851024), we get a palindrome (52866825).

The spelling of 42015801 in words is "forty-two million, fifteen thousand, eight hundred one".