40013695 has 8 divisors (see below), whose sum is σ = 48160944. Its totient is φ = 31914624.

The previous prime is 40013681. The next prime is 40013711. The reversal of 40013695 is 59631004.

40013695 = T₃₀₉ + T₃₁₀ + ... + T₆₄₅.

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

It is a cyclic number.

It is not a de Polignac number, because 40013695 - 2¹⁹ = 39489407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10189 + ... + 13558.

It is an arithmetic number, because the mean of its divisors is an integer number (6020118).

Almost surely, 2^40013695 is an apocalyptic number.

40013695 is a deficient number, since it is larger than the sum of its proper divisors (8147249).

40013695 is a wasteful number, since it uses less digits than its factorization.

40013695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24089.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 40013695 is about 6325.6379124955. The cubic root of 40013695 is about 342.0342150828.

Adding to 40013695 its reverse (59631004), we get a palindrome (99644699).

The spelling of 40013695 in words is "forty million, thirteen thousand, six hundred ninety-five".