40273168 has 40 divisors (see below), whose sum is σ = 86319128. Its totient is φ = 18081792.

The previous prime is 40273159. The next prime is 40273171. The reversal of 40273168 is 86137204.

It can be written as a sum of positive squares in 4 ways, for example, as 17539344 + 22733824 = 4188^2 + 4768^2 .

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, 5080 + ... + 10312.

Almost surely, 2^40273168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40273168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43159564).

40273168 is an abundant number, since it is smaller than the sum of its proper divisors (46045960).

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

40273168 is a wasteful number, since it uses less digits than its factorization.

40273168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291 (or 5285 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 40273168 is about 6346.1144017422. The cubic root of 40273168 is about 342.7719416596.

The spelling of 40273168 in words is "forty million, two hundred seventy-three thousand, one hundred sixty-eight".