142171731230400 has 504 divisors, whose sum is σ = 540931304402944. Its totient is φ = 36689475916800.

The previous prime is 142171731230303. The next prime is 142171731230447. The reversal of 142171731230400 is 4032137171241.

142171731230400 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 7 + 17 + 3 + 1 + 230 + 400 = 666.

142171731230400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142171731230400² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6154929 + ... + 17950671.

Almost surely, 2^{142171731230400} is an apocalyptic number.

142171731230400 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 142171731230400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270465652201472).

142171731230400 is an abundant number, since it is smaller than the sum of its proper divisors (398759573172544).

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

142171731230400 is a wasteful number, since it uses less digits than its factorization.

142171731230400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11795811 (or 11795784 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 142171731230400 in words is "one hundred forty-two trillion, one hundred seventy-one billion, seven hundred thirty-one million, two hundred thirty thousand, four hundred".