401140025 has 24 divisors (see below), whose sum is σ = 584379264. Its totient is φ = 269294400.

The previous prime is 401140013. The next prime is 401140049. The reversal of 401140025 is 520041104.

It is not a de Polignac number, because 401140025 - 2¹⁴ = 401123641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401139985 and 401140012.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 52529 + ... + 59678.

It is an arithmetic number, because the mean of its divisors is an integer number (24349136).

Almost surely, 2^401140025 is an apocalyptic number.

It is an amenable number.

401140025 is a deficient number, since it is larger than the sum of its proper divisors (183239239).

401140025 is a wasteful number, since it uses less digits than its factorization.

401140025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112241 (or 112236 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 401140025 is about 20028.4803467462. The cubic root of 401140025 is about 737.5056171170.

Adding to 401140025 its reverse (520041104), we get a palindrome (921181129).

The spelling of 401140025 in words is "four hundred one million, one hundred forty thousand, twenty-five".