40781385050007 has 8 divisors (see below), whose sum is σ = 62143062933376. Its totient is φ = 23303648599992.

The previous prime is 40781385049987. The next prime is 40781385050011. The reversal of 40781385050007 is 70005058318704.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40781385050007 - 2⁶ = 40781385049943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40781385055007) 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, 970985358313 + ... + 970985358354.

It is an arithmetic number, because the mean of its divisors is an integer number (7767882866672).

Almost surely, 2^{40781385050007} is an apocalyptic number.

40781385050007 is a deficient number, since it is larger than the sum of its proper divisors (21361677883369).

40781385050007 is a wasteful number, since it uses less digits than its factorization.

40781385050007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941970716677.

The product of its (nonzero) digits is 940800, while the sum is 48.

The spelling of 40781385050007 in words is "forty trillion, seven hundred eighty-one billion, three hundred eighty-five million, fifty thousand, seven".