40874281 has 16 divisors (see below), whose sum is σ = 47952000. Its totient is φ = 34826064.

The previous prime is 40874261. The next prime is 40874291. The reversal of 40874281 is 18247804.

It is not a de Polignac number, because 40874281 - 2²¹ = 38777129 is a prime.

It is a super-2 number, since 2×40874281² = 3341413694533922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40874261) 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, 92046 + ... + 92488.

It is an arithmetic number, because the mean of its divisors is an integer number (2997000).

Almost surely, 2^40874281 is an apocalyptic number.

It is an amenable number.

40874281 is a deficient number, since it is larger than the sum of its proper divisors (7077719).

40874281 is an equidigital number, since it uses as much as digits as its factorization.

40874281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 40874281 is about 6393.2996957753. The cubic root of 40874281 is about 344.4689189415.

The spelling of 40874281 in words is "forty million, eight hundred seventy-four thousand, two hundred eighty-one".