201536426 has 64 divisors (see below), whose sum is σ = 383201280. Its totient is φ = 77388480.

The previous prime is 201536407. The next prime is 201536431. The reversal of 201536426 is 624635102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1538381 + ... + 1538511.

It is an arithmetic number, because the mean of its divisors is an integer number (5987520).

Almost surely, 2^201536426 is an apocalyptic number.

201536426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

201536426 is a deficient number, since it is larger than the sum of its proper divisors (181664854).

201536426 is a wasteful number, since it uses less digits than its factorization.

201536426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 201536426 is about 14196.3525597246. The cubic root of 201536426 is about 586.2972415229.

The spelling of 201536426 in words is "two hundred one million, five hundred thirty-six thousand, four hundred twenty-six".