40005758671296 has 112 divisors (see below), whose sum is σ = 115488996075648. Its totient is φ = 12121085363200.

The previous prime is 40005758671243. The next prime is 40005758671303. The reversal of 40005758671296 is 69217685750004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12249886 + ... + 15168098.

Almost surely, 2^{40005758671296} is an apocalyptic number.

It is an amenable number.

40005758671296 is an abundant number, since it is smaller than the sum of its proper divisors (75483237404352).

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

40005758671296 is a wasteful number, since it uses less digits than its factorization.

40005758671296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924730 (or 2924720 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 40005758671296 in words is "forty trillion, five billion, seven hundred fifty-eight million, six hundred seventy-one thousand, two hundred ninety-six".