40914981 has 12 divisors (see below), whose sum is σ = 59653152. Its totient is φ = 27021096.

The previous prime is 40914943. The next prime is 40914983. The reversal of 40914981 is 18941904.

It is not a de Polignac number, because 40914981 - 2⁶ = 40914917 is a prime.

It is a super-2 number, since 2×40914981² = 3348071340460722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40914983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20281 + ... + 22206.

It is an arithmetic number, because the mean of its divisors is an integer number (4971096).

Almost surely, 2^40914981 is an apocalyptic number.

It is an amenable number.

40914981 is a deficient number, since it is larger than the sum of its proper divisors (18738171).

40914981 is a wasteful number, since it uses less digits than its factorization.

40914981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42600 (or 42597 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 40914981 is about 6396.4819236827. The cubic root of 40914981 is about 344.5832144012.

The spelling of 40914981 in words is "forty million, nine hundred fourteen thousand, nine hundred eighty-one".