40349724860 has 24 divisors (see below), whose sum is σ = 84767209296. Its totient is φ = 16133644800.

The previous prime is 40349724847. The next prime is 40349724881. The reversal of 40349724860 is 6842794304.

It is a happy number.

40349724860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 337166 + ... + 440885.

It is an arithmetic number, because the mean of its divisors is an integer number (3531967054).

Almost surely, 2^40349724860 is an apocalyptic number.

It is an amenable number.

40349724860 is an abundant number, since it is smaller than the sum of its proper divisors (44417484436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40349724860 is a wasteful number, since it uses less digits than its factorization.

40349724860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780653 (or 780651 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 40349724860 in words is "forty billion, three hundred forty-nine million, seven hundred twenty-four thousand, eight hundred sixty".