40465513 has 4 divisors (see below), whose sum is σ = 44144208. Its totient is φ = 36786820.

The previous prime is 40465511. The next prime is 40465517. The reversal of 40465513 is 31556404.

40465513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40465513 - 2¹ = 40465511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40465511) 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 3 ways as a sum of consecutive naturals, for example, 1839331 + ... + 1839352.

It is an arithmetic number, because the mean of its divisors is an integer number (11036052).

Almost surely, 2^40465513 is an apocalyptic number.

It is an amenable number.

40465513 is a deficient number, since it is larger than the sum of its proper divisors (3678695).

40465513 is a wasteful number, since it uses less digits than its factorization.

40465513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678694.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 40465513 is about 6361.2508989978. The cubic root of 40465513 is about 343.3167691342.

It can be divided in two parts, 4046 and 5513, that added together give a palindrome (9559).

The spelling of 40465513 in words is "forty million, four hundred sixty-five thousand, five hundred thirteen".