38720450878936 has 8 divisors (see below), whose sum is σ = 72600845398020. Its totient is φ = 19360225439464.

The previous prime is 38720450878931. The next prime is 38720450878937. The reversal of 38720450878936 is 63987805402783.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38720450878931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2420028179926 + ... + 2420028179941.

Almost surely, 2^{38720450878936} is an apocalyptic number.

It is an amenable number.

38720450878936 is a deficient number, since it is larger than the sum of its proper divisors (33880394519084).

38720450878936 is a wasteful number, since it uses less digits than its factorization.

38720450878936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840056359873 (or 4840056359869 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 70.

The spelling of 38720450878936 in words is "thirty-eight trillion, seven hundred twenty billion, four hundred fifty million, eight hundred seventy-eight thousand, nine hundred thirty-six".