201040400304 has 40 divisors (see below), whose sum is σ = 577060409520. Its totient is φ = 67013466624.

The previous prime is 201040400291. The next prime is 201040400329. The reversal of 201040400304 is 403004040102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232685217 + ... + 232686080.

It is an arithmetic number, because the mean of its divisors is an integer number (14426510238).

Almost surely, 2^201040400304 is an apocalyptic number.

201040400304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

201040400304 is an abundant number, since it is smaller than the sum of its proper divisors (376020009216).

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

201040400304 is a wasteful number, since it uses less digits than its factorization.

201040400304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465371314 (or 465371302 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 201040400304 its reverse (403004040102), we get a palindrome (604044440406).

The spelling of 201040400304 in words is "two hundred one billion, forty million, four hundred thousand, three hundred four".