201424432401 has 16 divisors (see below), whose sum is σ = 299378587200. Its totient is φ = 133845545664.

The previous prime is 201424432343. The next prime is 201424432439. The reversal of 201424432401 is 104234424102.

201424432401 is a `hidden beast` number, since 2 + 0 + 14 + 244 + 3 + 2 + 401 = 666.

It is not a de Polignac number, because 201424432401 - 2²¹ = 201422335249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (201424432441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12141816 + ... + 12158393.

It is an arithmetic number, because the mean of its divisors is an integer number (18711161700).

Almost surely, 2^201424432401 is an apocalyptic number.

It is an amenable number.

201424432401 is a deficient number, since it is larger than the sum of its proper divisors (97954154799).

201424432401 is a wasteful number, since it uses less digits than its factorization.

201424432401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24300525 (or 24300519 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 201424432401 its reverse (104234424102), we get a palindrome (305658856503).

The spelling of 201424432401 in words is "two hundred one billion, four hundred twenty-four million, four hundred thirty-two thousand, four hundred one".