101247432444 has 18 divisors (see below), whose sum is σ = 255931009880. Its totient is φ = 33749144136.

The previous prime is 101247432439. The next prime is 101247432449. The reversal of 101247432444 is 444234742101.

It is an interprime number because it is at equal distance from previous prime (101247432439) and next prime (101247432449).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2812428679 = 101247432444 / (1 + 0 + 1 + 2 + 4 + 7 + 4 + 3 + 2 + 4 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 101247432399 and 101247432408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101247432449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1406214304 + ... + 1406214375.

Almost surely, 2^101247432444 is an apocalyptic number.

It is an amenable number.

101247432444 is an abundant number, since it is smaller than the sum of its proper divisors (154683577436).

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

101247432444 is a wasteful number, since it uses less digits than its factorization.

101247432444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812428689 (or 2812428684 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The spelling of 101247432444 in words is "one hundred one billion, two hundred forty-seven million, four hundred thirty-two thousand, four hundred forty-four".