400144124545134 has 16 divisors (see below), whose sum is σ = 800288448299472. Its totient is φ = 133381341646848.

The previous prime is 400144124545127. The next prime is 400144124545201. The reversal of 400144124545134 is 431545421441004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35998632 + ... + 45784164.

It is an arithmetic number, because the mean of its divisors is an integer number (50018028018717).

Almost surely, 2^{400144124545134} is an apocalyptic number.

400144124545134 is an abundant number, since it is smaller than the sum of its proper divisors (400144323754338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400144124545134 is a wasteful number, since it uses less digits than its factorization.

400144124545134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16600771.

The product of its (nonzero) digits is 614400, while the sum is 42.

Adding to 400144124545134 its reverse (431545421441004), we get a palindrome (831689545986138).

The spelling of 400144124545134 in words is "four hundred trillion, one hundred forty-four billion, one hundred twenty-four million, five hundred forty-five thousand, one hundred thirty-four".