400525064601063 has 16 divisors (see below), whose sum is σ = 545535427929600. Its totient is φ = 261268613738496.

The previous prime is 400525064600987. The next prime is 400525064601091. The reversal of 400525064601063 is 360106460525004.

It is not a de Polignac number, because 400525064601063 - 2¹² = 400525064596967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400525064601863) 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, 362976538 + ... + 364078311.

It is an arithmetic number, because the mean of its divisors is an integer number (34095964245600).

Almost surely, 2^{400525064601063} is an apocalyptic number.

400525064601063 is a deficient number, since it is larger than the sum of its proper divisors (145010363328537).

400525064601063 is a wasteful number, since it uses less digits than its factorization.

400525064601063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727058806.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 400525064601063 in words is "four hundred trillion, five hundred twenty-five billion, sixty-four million, six hundred one thousand, sixty-three".