40168107 has 24 divisors (see below), whose sum is σ = 66574560. Its totient is φ = 22861440.

The previous prime is 40168087. The next prime is 40168153. The reversal of 40168107 is 70186104.

It is a happy number.

It is not a de Polignac number, because 40168107 - 2¹⁶ = 40102571 is a prime.

It is a super-2 number, since 2×40168107² = 3226953639926898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40168207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16569 + ... + 18837.

It is an arithmetic number, because the mean of its divisors is an integer number (2773940).

Almost surely, 2^40168107 is an apocalyptic number.

40168107 is a deficient number, since it is larger than the sum of its proper divisors (26406453).

40168107 is a wasteful number, since it uses less digits than its factorization.

40168107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563 (or 2560 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 40168107 is about 6337.8314114530. The cubic root of 40168107 is about 342.4736179441.

The spelling of 40168107 in words is "forty million, one hundred sixty-eight thousand, one hundred seven".