40949680347 has 24 divisors (see below), whose sum is σ = 61222783440. Its totient is φ = 26343938880.

The previous prime is 40949680339. The next prime is 40949680349. The reversal of 40949680347 is 74308694904.

It is a happy number.

40949680347 is a `hidden beast` number, since 40 + 9 + 496 + 80 + 34 + 7 = 666.

It is not a de Polignac number, because 40949680347 - 2³ = 40949680339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40949680293 and 40949680302.

It is not an unprimeable number, because it can be changed into a prime (40949680349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443568 + ... + 527874.

It is an arithmetic number, because the mean of its divisors is an integer number (2550949310).

Almost surely, 2^40949680347 is an apocalyptic number.

40949680347 is a deficient number, since it is larger than the sum of its proper divisors (20273103093).

40949680347 is a wasteful number, since it uses less digits than its factorization.

40949680347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86203 (or 86200 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 40949680347 in words is "forty billion, nine hundred forty-nine million, six hundred eighty thousand, three hundred forty-seven".