201341401040 has 40 divisors (see below), whose sum is σ = 504127895208. Its totient is φ = 74341440000.

The previous prime is 201341401013. The next prime is 201341401049. The reversal of 201341401040 is 40104143102.

It can be written as a sum of positive squares in 4 ways, for example, as 1056510016 + 200284891024 = 32504^2 + 447532^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×201341401040² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201341401049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96797711 + ... + 96799790.

Almost surely, 2^201341401040 is an apocalyptic number.

201341401040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201341401040 is an abundant number, since it is smaller than the sum of its proper divisors (302786494168).

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

201341401040 is a wasteful number, since it uses less digits than its factorization.

201341401040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193597527 (or 193597521 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201341401040 its reverse (40104143102), we get a palindrome (241445544142).

The spelling of 201341401040 in words is "two hundred one billion, three hundred forty-one million, four hundred one thousand, forty".