40667396 has 72 divisors (see below), whose sum is σ = 92479296. Its totient is φ = 15200640.

The previous prime is 40667357. The next prime is 40667399. The reversal of 40667396 is 69376604.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40667399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258950 + ... + 259106.

Almost surely, 2^40667396 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 40667396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46239648).

40667396 is an abundant number, since it is smaller than the sum of its proper divisors (51811900).

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

40667396 is a wasteful number, since it uses less digits than its factorization.

40667396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 40667396 is about 6377.0993406093. The cubic root of 40667396 is about 343.8867596441.

The spelling of 40667396 in words is "forty million, six hundred sixty-seven thousand, three hundred ninety-six".