40266396 has 120 divisors (see below), whose sum is σ = 114920960. Its totient is φ = 12247200.

The previous prime is 40266389. The next prime is 40266403. The reversal of 40266396 is 69366204.

40266396 is a `hidden beast` number, since 4 + 0 + 266 + 396 = 666.

40266396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40266389) and next prime (40266403).

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 40266396.

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 39 ways as a sum of consecutive naturals, for example, 190731 + ... + 190941.

Almost surely, 2^40266396 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 40266396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57460480).

40266396 is an abundant number, since it is smaller than the sum of its proper divisors (74654564).

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

40266396 is a wasteful number, since it uses less digits than its factorization.

40266396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 40266396 is about 6345.5808244793. The cubic root of 40266396 is about 342.7527280258.

The spelling of 40266396 in words is "forty million, two hundred sixty-six thousand, three hundred ninety-six".