40867320 has 256 divisors, whose sum is σ = 148055040. Its totient is φ = 8921088.

The previous prime is 40867319. The next prime is 40867357. The reversal of 40867320 is 2376804.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 609927 + ... + 609993.

It is an arithmetic number, because the mean of its divisors is an integer number (578340).

Almost surely, 2^40867320 is an apocalyptic number.

40867320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40867320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74027520).

40867320 is an abundant number, since it is smaller than the sum of its proper divisors (107187720).

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

40867320 is a wasteful number, since it uses less digits than its factorization.

40867320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 40867320 is about 6392.7552745276. The cubic root of 40867320 is about 344.4493631702.

The spelling of 40867320 in words is "forty million, eight hundred sixty-seven thousand, three hundred twenty".