40881946 has 8 divisors (see below), whose sum is σ = 70083360. Its totient is φ = 17520828.

The previous prime is 40881937. The next prime is 40881959. The reversal of 40881946 is 64918804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40881899 and 40881908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460056 + ... + 1460083.

It is an arithmetic number, because the mean of its divisors is an integer number (8760420).

Almost surely, 2^40881946 is an apocalyptic number.

40881946 is a deficient number, since it is larger than the sum of its proper divisors (29201414).

40881946 is a wasteful number, since it uses less digits than its factorization.

40881946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920148.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 40881946 is about 6393.8991233832. The cubic root of 40881946 is about 344.4904499155.

The spelling of 40881946 in words is "forty million, eight hundred eighty-one thousand, nine hundred forty-six".