40024446 has 64 divisors (see below), whose sum is σ = 102283776. Its totient is φ = 10137600.

The previous prime is 40024433. The next prime is 40024447. The reversal of 40024446 is 64442004.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40024447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17886 + ... + 19998.

It is an arithmetic number, because the mean of its divisors is an integer number (1598184).

Almost surely, 2^40024446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40024446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51141888).

40024446 is an abundant number, since it is smaller than the sum of its proper divisors (62259330).

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

40024446 is a wasteful number, since it uses less digits than its factorization.

40024446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 40024446 is about 6326.4876511379. The cubic root of 40024446 is about 342.0648452672.

It can be divided in two parts, 40024 and 446, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 40024446 in words is "forty million, twenty-four thousand, four hundred forty-six".