40083613 has 8 divisors (see below), whose sum is σ = 40543232. Its totient is φ = 39626496.

The previous prime is 40083599. The next prime is 40083647. The reversal of 40083613 is 31638004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40083613 is a prime.

It is a super-2 number, since 2×40083613² = 3213392062267538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40083313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69181 + ... + 69757.

It is an arithmetic number, because the mean of its divisors is an integer number (5067904).

Almost surely, 2^40083613 is an apocalyptic number.

It is an amenable number.

40083613 is a deficient number, since it is larger than the sum of its proper divisors (459619).

40083613 is a wasteful number, since it uses less digits than its factorization.

40083613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 40083613 is about 6331.1620576321. The cubic root of 40083613 is about 342.2333171888.

The spelling of 40083613 in words is "forty million, eighty-three thousand, six hundred thirteen".