180143614840 has 128 divisors (see below), whose sum is σ = 488799360000. Its totient is φ = 58414169088.

The previous prime is 180143614829. The next prime is 180143614877. The reversal of 180143614840 is 48416341081.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 180143614793 and 180143614802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416011 + ... + 730309.

It is an arithmetic number, because the mean of its divisors is an integer number (3818745000).

Almost surely, 2^180143614840 is an apocalyptic number.

180143614840 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 180143614840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244399680000).

180143614840 is an abundant number, since it is smaller than the sum of its proper divisors (308655745160).

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

180143614840 is a wasteful number, since it uses less digits than its factorization.

180143614840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314429 (or 314425 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 180143614840 in words is "one hundred eighty billion, one hundred forty-three million, six hundred fourteen thousand, eight hundred forty".