38455236724138 has 64 divisors (see below), whose sum is σ = 64092168000000. Its totient is φ = 17189538073344.

The previous prime is 38455236724117. The next prime is 38455236724147. The reversal of 38455236724138 is 83142763255483.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1101252243 + ... + 1101287161.

It is an arithmetic number, because the mean of its divisors is an integer number (1001440125000).

Almost surely, 2^{38455236724138} is an apocalyptic number.

38455236724138 is a deficient number, since it is larger than the sum of its proper divisors (25636931275862).

38455236724138 is a wasteful number, since it uses less digits than its factorization.

38455236724138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40199.

The product of its digits is 116121600, while the sum is 61.

The spelling of 38455236724138 in words is "thirty-eight trillion, four hundred fifty-five billion, two hundred thirty-six million, seven hundred twenty-four thousand, one hundred thirty-eight".