38777440611946 has 48 divisors (see below), whose sum is σ = 61329763341504. Its totient is φ = 18382100363136.

The previous prime is 38777440611919. The next prime is 38777440611947. The reversal of 38777440611946 is 64911604477783.

It is not an unprimeable number, because it can be changed into a prime (38777440611947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15420811 + ... + 17758273.

It is an arithmetic number, because the mean of its divisors is an integer number (1277703402948).

Almost surely, 2^{38777440611946} is an apocalyptic number.

38777440611946 is a deficient number, since it is larger than the sum of its proper divisors (22552322729558).

38777440611946 is a wasteful number, since it uses less digits than its factorization.

38777440611946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337695 (or 2337658 counting only the distinct ones).

The product of its (nonzero) digits is 170698752, while the sum is 67.

The spelling of 38777440611946 in words is "thirty-eight trillion, seven hundred seventy-seven billion, four hundred forty million, six hundred eleven thousand, nine hundred forty-six".