104439138053292 has 240 divisors, whose sum is σ = 322154140413952. Its totient is φ = 28871741036160.

The previous prime is 104439138053267. The next prime is 104439138053309. The reversal of 104439138053292 is 292350831934401.

It is a happy number.

104439138053292 is a `hidden beast` number, since 1 + 0 + 4 + 4 + 3 + 9 + 13 + 8 + 0 + 532 + 92 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 380439993 + ... + 380714415.

Almost surely, 2^{104439138053292} is an apocalyptic number.

104439138053292 is a gapful number since it is divisible by the number (12) 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 104439138053292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161077070206976).

104439138053292 is an abundant number, since it is smaller than the sum of its proper divisors (217715002360660).

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

104439138053292 is a wasteful number, since it uses less digits than its factorization.

104439138053292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279890 (or 279879 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

Adding to 104439138053292 its reverse (292350831934401), we get a palindrome (396789969987693).

The spelling of 104439138053292 in words is "one hundred four trillion, four hundred thirty-nine billion, one hundred thirty-eight million, fifty-three thousand, two hundred ninety-two".