401525442555205 has 16 divisors (see below), whose sum is σ = 486621648138240. Its totient is φ = 318036663245952.

The previous prime is 401525442555191. The next prime is 401525442555233. The reversal of 401525442555205 is 502555244525104.

It is a cyclic number.

It is not a de Polignac number, because 401525442555205 - 2¹⁹ = 401525442030917 is a prime.

It is a super-2 number, since 2×401525442555205² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648893560 + ... + 649512049.

It is an arithmetic number, because the mean of its divisors is an integer number (30413853008640).

Almost surely, 2^{401525442555205} is an apocalyptic number.

It is an amenable number.

401525442555205 is a deficient number, since it is larger than the sum of its proper divisors (85096205583035).

401525442555205 is a wasteful number, since it uses less digits than its factorization.

401525442555205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298406228.

The product of its (nonzero) digits is 8000000, while the sum is 49.

The spelling of 401525442555205 in words is "four hundred one trillion, five hundred twenty-five billion, four hundred forty-two million, five hundred fifty-five thousand, two hundred five".