103439188944 has 600 divisors, whose sum is σ = 378879687648. Its totient is φ = 27002626560.

The previous prime is 103439188933. The next prime is 103439188997. The reversal of 103439188944 is 449881934301.

103439188944 is a `hidden beast` number, since 103 + 439 + 18 + 8 + 94 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 88333479 + ... + 88334649.

Almost surely, 2^103439188944 is an apocalyptic number.

103439188944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103439188944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189439843824).

103439188944 is an abundant number, since it is smaller than the sum of its proper divisors (275440498704).

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

103439188944 is a wasteful number, since it uses less digits than its factorization.

103439188944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1303 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 103439188944 in words is "one hundred three billion, four hundred thirty-nine million, one hundred eighty-eight thousand, nine hundred forty-four".