40867481 has 4 divisors (see below), whose sum is σ = 42644352. Its totient is φ = 39090612.

The previous prime is 40867441. The next prime is 40867493. The reversal of 40867481 is 18476804.

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 not a de Polignac number, because 40867481 - 2⁶ = 40867417 is a prime.

It is a super-2 number, since 2×40867481² = 3340302006570722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40867441) 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, 888401 + ... + 888446.

It is an arithmetic number, because the mean of its divisors is an integer number (10661088).

Almost surely, 2^40867481 is an apocalyptic number.

It is an amenable number.

40867481 is a deficient number, since it is larger than the sum of its proper divisors (1776871).

40867481 is a wasteful number, since it uses less digits than its factorization.

40867481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776870.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 40867481 is about 6392.7678668946. The cubic root of 40867481 is about 344.4498154980.

The spelling of 40867481 in words is "forty million, eight hundred sixty-seven thousand, four hundred eighty-one".