40340893320 has 640 divisors, whose sum is σ = 169691639040. Its totient is φ = 8368220160.

The previous prime is 40340893267. The next prime is 40340893337. The reversal of 40340893320 is 2339804304.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 159 ways as a sum of consecutive naturals, for example, 17984119 + ... + 17986361.

It is an arithmetic number, because the mean of its divisors is an integer number (265143186).

Almost surely, 2^40340893320 is an apocalyptic number.

40340893320 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 40340893320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84845819520).

40340893320 is an abundant number, since it is smaller than the sum of its proper divisors (129350745720).

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

40340893320 is a wasteful number, since it uses less digits than its factorization.

40340893320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347 (or 2334 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 40340893320 in words is "forty billion, three hundred forty million, eight hundred ninety-three thousand, three hundred twenty".