40168260 has 72 divisors (see below), whose sum is σ = 132926976. Its totient is φ = 9737280.

The previous prime is 40168259. The next prime is 40168267. The reversal of 40168260 is 6286104.

It is a super-2 number, since 2×40168260² = 3226978222855200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40168267) 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, 8164 + ... + 12123.

It is an arithmetic number, because the mean of its divisors is an integer number (1846208).

Almost surely, 2^40168260 is an apocalyptic number.

It is an amenable number.

40168260 is an abundant number, since it is smaller than the sum of its proper divisors (92758716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40168260 is a wasteful number, since it uses less digits than its factorization.

40168260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20313 (or 20308 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 40168260 is about 6337.8434818162. The cubic root of 40168260 is about 342.4740527700.

The spelling of 40168260 in words is "forty million, one hundred sixty-eight thousand, two hundred sixty".