38421620026245 has 64 divisors (see below), whose sum is σ = 68607000483840. Its totient is φ = 20400983668224.

The previous prime is 38421620026201. The next prime is 38421620026267. The reversal of 38421620026245 is 54262002612483.

It is a happy number.

38421620026245 is a `hidden beast` number, since 3 + 8 + 4 + 2 + 16 + 2 + 0 + 0 + 2 + 624 + 5 = 666.

38421620026245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-38421620026245 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 38421620026245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 260593887 + ... + 260741283.

It is an arithmetic number, because the mean of its divisors is an integer number (1071984382560).

Almost surely, 2^{38421620026245} is an apocalyptic number.

It is an amenable number.

38421620026245 is a deficient number, since it is larger than the sum of its proper divisors (30185380457595).

38421620026245 is a wasteful number, since it uses less digits than its factorization.

38421620026245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155931 (or 155925 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 38421620026245 in words is "thirty-eight trillion, four hundred twenty-one billion, six hundred twenty million, twenty-six thousand, two hundred forty-five".