40407007333668 has 24 divisors (see below), whose sum is σ = 94298056849920. Its totient is φ = 13466853910560.

The previous prime is 40407007333643. The next prime is 40407007333669. The reversal of 40407007333668 is 86633370070404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40407007333668.

It is not an unprimeable number, because it can be changed into a prime (40407007333669) 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, 268488388 + ... + 268638843.

It is an arithmetic number, because the mean of its divisors is an integer number (3929085702080).

Almost surely, 2^{40407007333668} is an apocalyptic number.

It is an amenable number.

40407007333668 is an abundant number, since it is smaller than the sum of its proper divisors (53891049516252).

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

40407007333668 is a wasteful number, since it uses less digits than its factorization.

40407007333668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537133507 (or 537133505 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 51.

The spelling of 40407007333668 in words is "forty trillion, four hundred seven billion, seven million, three hundred thirty-three thousand, six hundred sixty-eight".