40828734 has 12 divisors (see below), whose sum is σ = 88462296. Its totient is φ = 13609572.

The previous prime is 40828721. The next prime is 40828751. The reversal of 40828734 is 43782804.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1134114 + ... + 1134149.

It is an arithmetic number, because the mean of its divisors is an integer number (7371858).

Almost surely, 2^40828734 is an apocalyptic number.

40828734 is an abundant number, since it is smaller than the sum of its proper divisors (47633562).

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

40828734 is a wasteful number, since it uses less digits than its factorization.

40828734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268271 (or 2268268 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 40828734 is about 6389.7366142901. The cubic root of 40828734 is about 344.3409219322.

It can be divided in two parts, 408287 and 34, that added together give a square (408321 = 639²).

The spelling of 40828734 in words is "forty million, eight hundred twenty-eight thousand, seven hundred thirty-four".