201542401460 has 48 divisors (see below), whose sum is σ = 456590884176. Its totient is φ = 74443180032.

The previous prime is 201542401387. The next prime is 201542401493. The reversal of 201542401460 is 64104245102.

It can be written as a sum of positive squares in 8 ways, for example, as 16826404 + 201525575056 = 4102^2 + 448916^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5574167 + ... + 5610206.

It is an arithmetic number, because the mean of its divisors is an integer number (9512310087).

Almost surely, 2^201542401460 is an apocalyptic number.

201542401460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201542401460 is an abundant number, since it is smaller than the sum of its proper divisors (255048482716).

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

201542401460 is a wasteful number, since it uses less digits than its factorization.

201542401460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11184452 (or 11184450 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 201542401460 its reverse (64104245102), we get a palindrome (265646646562).

The spelling of 201542401460 in words is "two hundred one billion, five hundred forty-two million, four hundred one thousand, four hundred sixty".