40347743244 has 24 divisors (see below), whose sum is σ = 94150824768. Its totient is φ = 13448377680.

The previous prime is 40347743201. The next prime is 40347743311. The reversal of 40347743244 is 44234774304.

It is a junction number, because it is equal to n+sod(n) for n = 40347743196 and 40347743205.

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, 100579 + ... + 301349.

It is an arithmetic number, because the mean of its divisors is an integer number (3922951032).

Almost surely, 2^40347743244 is an apocalyptic number.

It is an amenable number.

40347743244 is an abundant number, since it is smaller than the sum of its proper divisors (53803081524).

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

40347743244 is a wasteful number, since it uses less digits than its factorization.

40347743244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217525 (or 217523 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 42.

The spelling of 40347743244 in words is "forty billion, three hundred forty-seven million, seven hundred forty-three thousand, two hundred forty-four".