40294513 has 24 divisors (see below), whose sum is σ = 49641984. Its totient is φ = 32558400.

The previous prime is 40294489. The next prime is 40294523. The reversal of 40294513 is 31549204.

40294513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-40294513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40294523) 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 23 ways as a sum of consecutive naturals, for example, 61956 + ... + 62602.

It is an arithmetic number, because the mean of its divisors is an integer number (2068416).

Almost surely, 2^40294513 is an apocalyptic number.

It is an amenable number.

40294513 is a deficient number, since it is larger than the sum of its proper divisors (9347471).

40294513 is a wasteful number, since it uses less digits than its factorization.

40294513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 40294513 is about 6347.7959166942. The cubic root of 40294513 is about 342.8324879675.

The spelling of 40294513 in words is "forty million, two hundred ninety-four thousand, five hundred thirteen".