400633143140325 has 48 divisors (see below), whose sum is σ = 663300824887296. Its totient is φ = 213374036702400.

The previous prime is 400633143140311. The next prime is 400633143140387. The reversal of 400633143140325 is 523041341336004.

It is not a de Polignac number, because 400633143140325 - 2¹³ = 400633143132133 is a prime.

It is a super-2 number, since 2×400633143140325² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1372416532 + ... + 1372708418.

It is an arithmetic number, because the mean of its divisors is an integer number (13818767185152).

Almost surely, 2^{400633143140325} is an apocalyptic number.

It is an amenable number.

400633143140325 is a deficient number, since it is larger than the sum of its proper divisors (262667681746971).

400633143140325 is a wasteful number, since it uses less digits than its factorization.

400633143140325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317274 (or 317269 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

Adding to 400633143140325 its reverse (523041341336004), we get a palindrome (923674484476329).

The spelling of 400633143140325 in words is "four hundred trillion, six hundred thirty-three billion, one hundred forty-three million, one hundred forty thousand, three hundred twenty-five".