40723408 has 40 divisors (see below), whose sum is σ = 88092576. Its totient is φ = 18076800.

The previous prime is 40723321. The next prime is 40723433. The reversal of 40723408 is 80432704.

40723408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4878 + ... + 10258.

Almost surely, 2^40723408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40723408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44046288).

40723408 is an abundant number, since it is smaller than the sum of its proper divisors (47369168).

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

40723408 is a wasteful number, since it uses less digits than its factorization.

40723408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443 (or 5437 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 40723408 is about 6381.4894813045. The cubic root of 40723408 is about 344.0445678690.

The spelling of 40723408 in words is "forty million, seven hundred twenty-three thousand, four hundred eight".