40313544 has 32 divisors (see below), whose sum is σ = 101787840. Its totient is φ = 13304000.

The previous prime is 40313543. The next prime is 40313551. The reversal of 40313544 is 44531304.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (40313543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5892 + ... + 10739.

It is an arithmetic number, because the mean of its divisors is an integer number (3180870).

Almost surely, 2^40313544 is an apocalyptic number.

It is an amenable number.

40313544 is an abundant number, since it is smaller than the sum of its proper divisors (61474296).

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

40313544 is a wasteful number, since it uses less digits than its factorization.

40313544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16741 (or 16737 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 40313544 is about 6349.2947639876. The cubic root of 40313544 is about 342.8864524547.

Adding to 40313544 its reverse (44531304), we get a palindrome (84844848).

The spelling of 40313544 in words is "forty million, three hundred thirteen thousand, five hundred forty-four".