42490826 has 8 divisors (see below), whose sum is σ = 72841440. Its totient is φ = 18210348.

The previous prime is 42490823. The next prime is 42490849. The reversal of 42490826 is 62809424.

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

It is not an unprimeable number, because it can be changed into a prime (42490823) 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, 1517516 + ... + 1517543.

It is an arithmetic number, because the mean of its divisors is an integer number (9105180).

Almost surely, 2^42490826 is an apocalyptic number.

42490826 is a deficient number, since it is larger than the sum of its proper divisors (30350614).

42490826 is a wasteful number, since it uses less digits than its factorization.

42490826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035068.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 42490826 is about 6518.4987535475. The cubic root of 42490826 is about 348.9514906456.

The spelling of 42490826 in words is "forty-two million, four hundred ninety thousand, eight hundred twenty-six".