40029696 has 240 divisors, whose sum is σ = 141714144. Its totient is φ = 10616832.

The previous prime is 40029673. The next prime is 40029701. The reversal of 40029696 is 69692004.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40029696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 548316 + ... + 548388.

Almost surely, 2^40029696 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 40029696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70857072).

40029696 is an abundant number, since it is smaller than the sum of its proper divisors (101684448).

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

40029696 is a wasteful number, since it uses less digits than its factorization.

40029696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 40029696 is about 6326.9025597049. The cubic root of 40029696 is about 342.0798008098.

The spelling of 40029696 in words is "forty million, twenty-nine thousand, six hundred ninety-six".