40932881 has 4 divisors (see below), whose sum is σ = 44654064. Its totient is φ = 37211700.

The previous prime is 40932863. The next prime is 40932901. The reversal of 40932881 is 18823904.

It is a happy number.

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 40932881 - 2¹⁸ = 40670737 is a prime.

It is a super-2 number, since 2×40932881² = 3351001493920322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40932811) 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, 1860575 + ... + 1860596.

It is an arithmetic number, because the mean of its divisors is an integer number (11163516).

Almost surely, 2^40932881 is an apocalyptic number.

It is an amenable number.

40932881 is a deficient number, since it is larger than the sum of its proper divisors (3721183).

40932881 is a wasteful number, since it uses less digits than its factorization.

40932881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721182.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 40932881 is about 6397.8809773237. The cubic root of 40932881 is about 344.6334579397.

The spelling of 40932881 in words is "forty million, nine hundred thirty-two thousand, eight hundred eighty-one".