40313541 has 16 divisors (see below), whose sum is σ = 54774720. Its totient is φ = 26369280.

The previous prime is 40313531. The next prime is 40313543. The reversal of 40313541 is 14531304.

It is a de Polignac number, because none of the positive numbers 2^k-40313541 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36406 + ... + 37496.

It is an arithmetic number, because the mean of its divisors is an integer number (3423420).

Almost surely, 2^40313541 is an apocalyptic number.

It is an amenable number.

40313541 is a deficient number, since it is larger than the sum of its proper divisors (14461179).

40313541 is a wasteful number, since it uses less digits than its factorization.

40313541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40313541 is about 6349.2945277409. The cubic root of 40313541 is about 342.8864439492.

Adding to 40313541 its reverse (14531304), we get a palindrome (54844845).

The spelling of 40313541 in words is "forty million, three hundred thirteen thousand, five hundred forty-one".