40981486 has 24 divisors (see below), whose sum is σ = 76078224. Its totient is φ = 16211520.

The previous prime is 40981483. The next prime is 40981489. The reversal of 40981486 is 68418904.

It is an interprime number because it is at equal distance from previous prime (40981483) and next prime (40981489).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40981481) 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, 6295 + ... + 11026.

It is an arithmetic number, because the mean of its divisors is an integer number (3169926).

Almost surely, 2^40981486 is an apocalyptic number.

40981486 is a deficient number, since it is larger than the sum of its proper divisors (35096738).

40981486 is a wasteful number, since it uses less digits than its factorization.

40981486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17356 (or 17343 counting only the distinct ones).

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

The square root of 40981486 is about 6401.6783736767. The cubic root of 40981486 is about 344.7698135459.

The spelling of 40981486 in words is "forty million, nine hundred eighty-one thousand, four hundred eighty-six".