201000400435 has 64 divisors (see below), whose sum is σ = 268350382080. Its totient is φ = 143998525440.

The previous prime is 201000400429. The next prime is 201000400451. The reversal of 201000400435 is 534004000102.

It is a de Polignac number, because none of the positive numbers 2^k-201000400435 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23606739 + ... + 23615251.

It is an arithmetic number, because the mean of its divisors is an integer number (4192974720).

Almost surely, 2^201000400435 is an apocalyptic number.

201000400435 is a deficient number, since it is larger than the sum of its proper divisors (67349981645).

201000400435 is a wasteful number, since it uses less digits than its factorization.

201000400435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8788.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 201000400435 its reverse (534004000102), we get a palindrome (735004400537).

The spelling of 201000400435 in words is "two hundred one billion, four hundred thousand, four hundred thirty-five".