42402026 has 8 divisors (see below), whose sum is σ = 63732000. Its totient is φ = 21158028.

The previous prime is 42402023. The next prime is 42402043. The reversal of 42402026 is 62020424.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42401989 and 42402007.

It is not an unprimeable number, because it can be changed into a prime (42402023) 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, 20246 + ... + 22241.

It is an arithmetic number, because the mean of its divisors is an integer number (7966500).

Almost surely, 2^42402026 is an apocalyptic number.

42402026 is a deficient number, since it is larger than the sum of its proper divisors (21329974).

42402026 is a wasteful number, since it uses less digits than its factorization.

42402026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42988.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 42402026 is about 6511.6838068199. The cubic root of 42402026 is about 348.7082341868.

The spelling of 42402026 in words is "forty-two million, four hundred two thousand, twenty-six".