401936049 has 48 divisors (see below), whose sum is σ = 642829824. Its totient is φ = 240883200.

The previous prime is 401936033. The next prime is 401936081. The reversal of 401936049 is 940639104.

401936049 is a `hidden beast` number, since 40 + 1 + 9 + 3 + 604 + 9 = 666.

It is not a de Polignac number, because 401936049 - 2⁴ = 401936033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401936009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 393159 + ... + 394179.

It is an arithmetic number, because the mean of its divisors is an integer number (13392288).

Almost surely, 2^401936049 is an apocalyptic number.

It is an amenable number.

401936049 is a deficient number, since it is larger than the sum of its proper divisors (240893775).

401936049 is a wasteful number, since it uses less digits than its factorization.

401936049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 401936049 is about 20048.3427993438. The cubic root of 401936049 is about 737.9931312292.

The spelling of 401936049 in words is "four hundred one million, nine hundred thirty-six thousand, forty-nine".