40501385 has 8 divisors (see below), whose sum is σ = 48686400. Its totient is φ = 32344624.

The previous prime is 40501379. The next prime is 40501387. The reversal of 40501385 is 58310504.

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 40501385 - 2⁸ = 40501129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40501387) 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, 3767 + ... + 9756.

It is an arithmetic number, because the mean of its divisors is an integer number (6085800).

Almost surely, 2^40501385 is an apocalyptic number.

It is an amenable number.

40501385 is a deficient number, since it is larger than the sum of its proper divisors (8185015).

40501385 is a wasteful number, since it uses less digits than its factorization.

40501385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14127.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 40501385 is about 6364.0698456255. The cubic root of 40501385 is about 343.4181873614.

Adding to 40501385 its reverse (58310504), we get a palindrome (98811889).

The spelling of 40501385 in words is "forty million, five hundred one thousand, three hundred eighty-five".