438026136 has 32 divisors (see below), whose sum is σ = 1095724800. Its totient is φ = 145920800.

The previous prime is 438026129. The next prime is 438026153. The reversal of 438026136 is 631620834.

It is a junction number, because it is equal to n+sod(n) for n = 438026097 and 438026106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44461 + ... + 53411.

It is an arithmetic number, because the mean of its divisors is an integer number (34241400).

Almost surely, 2^438026136 is an apocalyptic number.

It is an amenable number.

438026136 is an abundant number, since it is smaller than the sum of its proper divisors (657698664).

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

438026136 is a wasteful number, since it uses less digits than its factorization.

438026136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10999 (or 10995 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 438026136 is about 20929.0739403348. The cubic root of 438026136 is about 759.4514370178.

The spelling of 438026136 in words is "four hundred thirty-eight million, twenty-six thousand, one hundred thirty-six".