40787006813 has 8 divisors (see below), whose sum is σ = 46619308032. Its totient is φ = 34956102096.

The previous prime is 40787006803. The next prime is 40787006831. The reversal of 40787006813 is 31860078704.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40787006813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40787006803) 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, 285770 + ... + 404027.

It is an arithmetic number, because the mean of its divisors is an integer number (5827413504).

Almost surely, 2^40787006813 is an apocalyptic number.

It is an amenable number.

40787006813 is a deficient number, since it is larger than the sum of its proper divisors (5832301219).

40787006813 is an equidigital number, since it uses as much as digits as its factorization.

40787006813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698251.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 40787006813 in words is "forty billion, seven hundred eighty-seven million, six thousand, eight hundred thirteen".