40981371 has 8 divisors (see below), whose sum is σ = 55125840. Its totient is φ = 27078912.

The previous prime is 40981361. The next prime is 40981387. The reversal of 40981371 is 17318904.

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

It is not a de Polignac number, because 40981371 - 2⁶ = 40981307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40981301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60106 + ... + 60783.

It is an arithmetic number, because the mean of its divisors is an integer number (6890730).

Almost surely, 2^40981371 is an apocalyptic number.

40981371 is a deficient number, since it is larger than the sum of its proper divisors (14144469).

40981371 is a wasteful number, since it uses less digits than its factorization.

40981371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121005.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 40981371 is about 6401.6693916509. The cubic root of 40981371 is about 344.7694910542.

The spelling of 40981371 in words is "forty million, nine hundred eighty-one thousand, three hundred seventy-one".