42826810 has 32 divisors (see below), whose sum is σ = 85704192. Its totient is φ = 15301440.

The previous prime is 42826801. The next prime is 42826811. The reversal of 42826810 is 1862824.

It is a super-2 number, since 2×42826810² = 3668271309552200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (42826811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1284 + ... + 9343.

It is an arithmetic number, because the mean of its divisors is an integer number (2678256).

Almost surely, 2^42826810 is an apocalyptic number.

42826810 is an abundant number, since it is smaller than the sum of its proper divisors (42877382).

42826810 is a wasteful number, since it uses less digits than its factorization.

42826810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10678.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 42826810 is about 6544.2195867804. The cubic root of 42826810 is about 349.8688215894.

The spelling of 42826810 in words is "forty-two million, eight hundred twenty-six thousand, eight hundred ten".