101244392638 has 16 divisors (see below), whose sum is σ = 152351247600. Its totient is φ = 50460696000.

The previous prime is 101244392633. The next prime is 101244392663. The reversal of 101244392638 is 836293442101.

It is a junction number, because it is equal to n+sod(n) for n = 101244392594 and 101244392603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101244392633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5981988 + ... + 5998888.

It is an arithmetic number, because the mean of its divisors is an integer number (9521952975).

Almost surely, 2^101244392638 is an apocalyptic number.

101244392638 is a deficient number, since it is larger than the sum of its proper divisors (51106854962).

101244392638 is a wasteful number, since it uses less digits than its factorization.

101244392638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26283.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 101244392638 in words is "one hundred one billion, two hundred forty-four million, three hundred ninety-two thousand, six hundred thirty-eight".