38387755040446 has 12 divisors (see below), whose sum is σ = 66982715427888. Its totient is φ = 16451895017292.

The previous prime is 38387755040431. The next prime is 38387755040473. The reversal of 38387755040446 is 64404055778383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195855892966 + ... + 195855893161.

It is an arithmetic number, because the mean of its divisors is an integer number (5581892952324).

Almost surely, 2^{38387755040446} is an apocalyptic number.

38387755040446 is a deficient number, since it is larger than the sum of its proper divisors (28594960387442).

38387755040446 is a wasteful number, since it uses less digits than its factorization.

38387755040446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391711786143 (or 391711786136 counting only the distinct ones).

The product of its (nonzero) digits is 270950400, while the sum is 64.

The spelling of 38387755040446 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred fifty-five million, forty thousand, four hundred forty-six".