40681045624 has 32 divisors (see below), whose sum is σ = 77043414240. Its totient is φ = 20136268800.

The previous prime is 40681045571. The next prime is 40681045651. The reversal of 40681045624 is 42654018604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3191584 + ... + 3204304.

It is an arithmetic number, because the mean of its divisors is an integer number (2407606695).

Almost surely, 2^40681045624 is an apocalyptic number.

It is an amenable number.

40681045624 is a deficient number, since it is larger than the sum of its proper divisors (36362368616).

40681045624 is a wasteful number, since it uses less digits than its factorization.

40681045624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16711 (or 16707 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 40681045624 in words is "forty billion, six hundred eighty-one million, forty-five thousand, six hundred twenty-four".