40468281 has 16 divisors (see below), whose sum is σ = 61885824. Its totient is φ = 23042304.

The previous prime is 40468231. The next prime is 40468291. The reversal of 40468281 is 18286404.

It is not a de Polignac number, because 40468281 - 2¹³ = 40460089 is a prime.

It is a super-2 number, since 2×40468281² = 3275363534189922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40468231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2865 + ... + 9441.

It is an arithmetic number, because the mean of its divisors is an integer number (3867864).

Almost surely, 2^40468281 is an apocalyptic number.

It is an amenable number.

40468281 is a deficient number, since it is larger than the sum of its proper divisors (21417543).

40468281 is a wasteful number, since it uses less digits than its factorization.

40468281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6880.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 40468281 is about 6361.4684625486. The cubic root of 40468281 is about 343.3245970274.

The spelling of 40468281 in words is "forty million, four hundred sixty-eight thousand, two hundred eighty-one".