40040196 has 48 divisors (see below), whose sum is σ = 108079104. Its totient is φ = 11300256.

The previous prime is 40040191. The next prime is 40040197. The reversal of 40040196 is 69104004.

It is not an unprimeable number, because it can be changed into a prime (40040191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4101 + ... + 9843.

It is an arithmetic number, because the mean of its divisors is an integer number (2251648).

Almost surely, 2^40040196 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 40040196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54039552).

40040196 is an abundant number, since it is smaller than the sum of its proper divisors (68038908).

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

40040196 is a wasteful number, since it uses less digits than its factorization.

40040196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840 (or 5838 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 40040196 is about 6327.7322952224. The cubic root of 40040196 is about 342.1097079726.

The spelling of 40040196 in words is "forty million, forty thousand, one hundred ninety-six".