129880262400 has 324 divisors, whose sum is σ = 498616258392. Its totient is φ = 29686702080.

The previous prime is 129880262387. The next prime is 129880262443. The reversal of 129880262400 is 4262088921.

It is a super-2 number, since 2×129880262400² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 871774 + ... + 1009826.

Almost surely, 2^129880262400 is an apocalyptic number.

129880262400 is a gapful number since it is divisible by the number (10) 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 129880262400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249308129196).

129880262400 is an abundant number, since it is smaller than the sum of its proper divisors (368735995992).

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

129880262400 is a wasteful number, since it uses less digits than its factorization.

129880262400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138096 (or 138070 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 129880262400 in words is "one hundred twenty-nine billion, eight hundred eighty million, two hundred sixty-two thousand, four hundred".