40354613 has 16 divisors (see below), whose sum is σ = 46032000. Its totient is φ = 35069760.

The previous prime is 40354553. The next prime is 40354621. The reversal of 40354613 is 31645304.

It is a cyclic number.

It is not a de Polignac number, because 40354613 - 2⁸ = 40354357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40354693) 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, 48743 + ... + 49563.

It is an arithmetic number, because the mean of its divisors is an integer number (2877000).

Almost surely, 2^40354613 is an apocalyptic number.

It is an amenable number.

40354613 is a deficient number, since it is larger than the sum of its proper divisors (5677387).

40354613 is a wasteful number, since it uses less digits than its factorization.

40354613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 40354613 is about 6352.5280794342. The cubic root of 40354613 is about 343.0028502626.

Adding to 40354613 its reverse (31645304), we get a palindrome (71999917).

The spelling of 40354613 in words is "forty million, three hundred fifty-four thousand, six hundred thirteen".