40751960319765 has 32 divisors (see below), whose sum is σ = 72451926973440. Its totient is φ = 21733179582528.

The previous prime is 40751960319761. The next prime is 40751960319793. The reversal of 40751960319765 is 56791306915704.

It is a happy number.

40751960319765 is a `hidden beast` number, since 4 + 0 + 7 + 5 + 1 + 9 + 603 + 19 + 7 + 6 + 5 = 666.

It is not a de Polignac number, because 40751960319765 - 2² = 40751960319761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40751960319761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5869782 + ... + 10768391.

It is an arithmetic number, because the mean of its divisors is an integer number (2264122717920).

Almost surely, 2^{40751960319765} is an apocalyptic number.

40751960319765 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40751960319765 is a deficient number, since it is larger than the sum of its proper divisors (31699966653675).

40751960319765 is a wasteful number, since it uses less digits than its factorization.

40751960319765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16656330 (or 16656324 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 63.

The spelling of 40751960319765 in words is "forty trillion, seven hundred fifty-one billion, nine hundred sixty million, three hundred nineteen thousand, seven hundred sixty-five".