40168701 has 6 divisors (see below), whose sum is σ = 58021470. Its totient is φ = 26779128.

The previous prime is 40168699. The next prime is 40168721. The reversal of 40168701 is 10786104.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 31472100 + 8696601 = 5610^2 + 2949^2 .

It is not a de Polignac number, because 40168701 - 2¹ = 40168699 is a prime.

It is a super-2 number, since 2×40168701² = 3227049080054802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40168721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2231586 + ... + 2231603.

It is an arithmetic number, because the mean of its divisors is an integer number (9670245).

Almost surely, 2^40168701 is an apocalyptic number.

It is an amenable number.

40168701 is a deficient number, since it is larger than the sum of its proper divisors (17852769).

40168701 is a wasteful number, since it uses less digits than its factorization.

40168701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463195 (or 4463192 counting only the distinct ones).

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

The square root of 40168701 is about 6337.8782727345. The cubic root of 40168701 is about 342.4753060854.

The spelling of 40168701 in words is "forty million, one hundred sixty-eight thousand, seven hundred one".