40410513 has 48 divisors (see below), whose sum is σ = 72648576. Its totient is φ = 21265920.

The previous prime is 40410481. The next prime is 40410521. The reversal of 40410513 is 31501404.

It is a happy number.

It is not a de Polignac number, because 40410513 - 2⁵ = 40410481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40410593) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20956 + ... + 22802.

It is an arithmetic number, because the mean of its divisors is an integer number (1513512).

Almost surely, 2^40410513 is an apocalyptic number.

It is an amenable number.

40410513 is a deficient number, since it is larger than the sum of its proper divisors (32238063).

40410513 is a wasteful number, since it uses less digits than its factorization.

40410513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1891 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 40410513 is about 6356.9263799418. The cubic root of 40410513 is about 343.1611552772.

Adding to 40410513 its reverse (31501404), we get a palindrome (71911917).

The spelling of 40410513 in words is "forty million, four hundred ten thousand, five hundred thirteen".