10388727642 has 16 divisors (see below), whose sum is σ = 21999658752. Its totient is φ = 3259208640.

The previous prime is 10388727593. The next prime is 10388727649. The reversal of 10388727642 is 24672788301.

It is a junction number, because it is equal to n+sod(n) for n = 10388727591 and 10388727600.

It is not an unprimeable number, because it can be changed into a prime (10388727649) 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, 50925034 + ... + 50925237.

It is an arithmetic number, because the mean of its divisors is an integer number (1374978672).

Almost surely, 2^10388727642 is an apocalyptic number.

10388727642 is an abundant number, since it is smaller than the sum of its proper divisors (11610931110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10388727642 is a wasteful number, since it uses less digits than its factorization.

10388727642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101850293.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 10388727642 in words is "ten billion, three hundred eighty-eight million, seven hundred twenty-seven thousand, six hundred forty-two".