40062281 has 4 divisors (see below), whose sum is σ = 45785472. Its totient is φ = 34339092.

The previous prime is 40062259. The next prime is 40062287. The reversal of 40062281 is 18226004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40062281 is a prime.

It is a super-2 number, since 2×40062281² = 3209972717845922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40062287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2861585 + ... + 2861598.

It is an arithmetic number, because the mean of its divisors is an integer number (11446368).

Almost surely, 2^40062281 is an apocalyptic number.

It is an amenable number.

40062281 is a deficient number, since it is larger than the sum of its proper divisors (5723191).

40062281 is an equidigital number, since it uses as much as digits as its factorization.

40062281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5723190.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 40062281 is about 6329.4771506026. The cubic root of 40062281 is about 342.1725956450.

Adding to 40062281 its reverse (18226004), we get a palindrome (58288285).

The spelling of 40062281 in words is "forty million, sixty-two thousand, two hundred eighty-one".