242156431171400 has 96 divisors (see below), whose sum is σ = 568254876235200. Its totient is φ = 95961102624000.

The previous prime is 242156431171367. The next prime is 242156431171441. The reversal of 242156431171400 is 4171134651242.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163263125 + ... + 164739675.

It is an arithmetic number, because the mean of its divisors is an integer number (5919321627450).

Almost surely, 2^{242156431171400} is an apocalyptic number.

242156431171400 is a gapful number since it is divisible by the number (20) 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 242156431171400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284127438117600).

242156431171400 is an abundant number, since it is smaller than the sum of its proper divisors (326098445063800).

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

242156431171400 is a wasteful number, since it uses less digits than its factorization.

242156431171400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484199 (or 1484190 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 242156431171400 in words is "two hundred forty-two trillion, one hundred fifty-six billion, four hundred thirty-one million, one hundred seventy-one thousand, four hundred".