40769457993 has 48 divisors (see below), whose sum is σ = 67801743360. Its totient is φ = 23346770400.

The previous prime is 40769457983. The next prime is 40769458001. The reversal of 40769457993 is 39975496704.

40769457993 is a `hidden beast` number, since 407 + 6 + 94 + 57 + 9 + 93 = 666.

40769457993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40769457993 - 2⁴ = 40769457977 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40769457993.

It is not an unprimeable number, because it can be changed into a prime (40769457983) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 692128 + ... + 748718.

It is an arithmetic number, because the mean of its divisors is an integer number (1412536320).

Almost surely, 2^40769457993 is an apocalyptic number.

It is an amenable number.

40769457993 is a deficient number, since it is larger than the sum of its proper divisors (27032285367).

40769457993 is a wasteful number, since it uses less digits than its factorization.

40769457993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57010 (or 57007 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 40769457993 in words is "forty billion, seven hundred sixty-nine million, four hundred fifty-seven thousand, nine hundred ninety-three".