40991490862 has 12 divisors (see below), whose sum is σ = 71525968920. Its totient is φ = 17567781756.

The previous prime is 40991490851. The next prime is 40991490863. The reversal of 40991490862 is 26809419904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40991490863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209140162 + ... + 209140357.

It is an arithmetic number, because the mean of its divisors is an integer number (5960497410).

Almost surely, 2^40991490862 is an apocalyptic number.

40991490862 is a deficient number, since it is larger than the sum of its proper divisors (30534478058).

40991490862 is a wasteful number, since it uses less digits than its factorization.

40991490862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418280535 (or 418280528 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 40991490862 in words is "forty billion, nine hundred ninety-one million, four hundred ninety thousand, eight hundred sixty-two".