40306919864 has 16 divisors (see below), whose sum is σ = 75955254000. Its totient is φ = 20052185472.

The previous prime is 40306919839. The next prime is 40306919867. The reversal of 40306919864 is 46891960304.

40306919864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×40306919864³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40306919867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12657617 + ... + 12660800.

It is an arithmetic number, because the mean of its divisors is an integer number (4747203375).

Almost surely, 2^40306919864 is an apocalyptic number.

It is an amenable number.

40306919864 is a deficient number, since it is larger than the sum of its proper divisors (35648334136).

40306919864 is a wasteful number, since it uses less digits than its factorization.

40306919864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25318622 (or 25318618 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 40306919864 in words is "forty billion, three hundred six million, nine hundred nineteen thousand, eight hundred sixty-four".