40313140 has 48 divisors (see below), whose sum is σ = 97743744. Its totient is φ = 13680000.

The previous prime is 40313123. The next prime is 40313167. The reversal of 40313140 is 4131304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12715 + ... + 15565.

It is an arithmetic number, because the mean of its divisors is an integer number (2036328).

Almost surely, 2^40313140 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 40313140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48871872).

40313140 is an abundant number, since it is smaller than the sum of its proper divisors (57430604).

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

40313140 is a wasteful number, since it uses less digits than its factorization.

40313140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968 (or 2966 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 40313140 is about 6349.2629493509. The cubic root of 40313140 is about 342.8853070448.

Adding to 40313140 its reverse (4131304), we get a palindrome (44444444).

The spelling of 40313140 in words is "forty million, three hundred thirteen thousand, one hundred forty".