40366320 has 40 divisors (see below), whose sum is σ = 125136336. Its totient is φ = 10764288.

The previous prime is 40366307. The next prime is 40366321. The reversal of 40366320 is 2366304.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40366321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83857 + ... + 84336.

Almost surely, 2^40366320 is an apocalyptic number.

40366320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40366320 is an abundant number, since it is smaller than the sum of its proper divisors (84770016).

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

40366320 is a wasteful number, since it uses less digits than its factorization.

40366320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168209 (or 168203 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 40366320 is about 6353.4494567912. The cubic root of 40366320 is about 343.0360157905.

The spelling of 40366320 in words is "forty million, three hundred sixty-six thousand, three hundred twenty".