40313980 has 48 divisors (see below), whose sum is σ = 97445376. Its totient is φ = 13723200.

The previous prime is 40313929. The next prime is 40313983. The reversal of 40313980 is 8931304.

40313980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40313983) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 20187 + ... + 22093.

It is an arithmetic number, because the mean of its divisors is an integer number (2030112).

Almost surely, 2^40313980 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 40313980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48722688).

40313980 is an abundant number, since it is smaller than the sum of its proper divisors (57131396).

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

40313980 is a wasteful number, since it uses less digits than its factorization.

40313980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074 (or 2072 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 40313980 is about 6349.3290984166. The cubic root of 40313980 is about 342.8876885815.

The spelling of 40313980 in words is "forty million, three hundred thirteen thousand, nine hundred eighty".