40838826 has 16 divisors (see below), whose sum is σ = 93345984. Its totient is φ = 11668224.

The previous prime is 40838821. The next prime is 40838827. The reversal of 40838826 is 62883804.

It is not an unprimeable number, because it can be changed into a prime (40838821) 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, 486135 + ... + 486218.

It is an arithmetic number, because the mean of its divisors is an integer number (5834124).

Almost surely, 2^40838826 is an apocalyptic number.

40838826 is an abundant number, since it is smaller than the sum of its proper divisors (52507158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40838826 is a wasteful number, since it uses less digits than its factorization.

40838826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972365.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 40838826 is about 6390.5262694085. The cubic root of 40838826 is about 344.3692908607.

The spelling of 40838826 in words is "forty million, eight hundred thirty-eight thousand, eight hundred twenty-six".