400451024011124 has 12 divisors (see below), whose sum is σ = 737672938968000. Its totient is φ = 189687327163128.

The previous prime is 400451024011109. The next prime is 400451024011127. The reversal of 400451024011124 is 421110420154004.

It is a super-2 number, since 2×400451024011124² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400451024011127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2634546210524 + ... + 2634546210675.

It is an arithmetic number, because the mean of its divisors is an integer number (61472744914000).

Almost surely, 2^{400451024011124} is an apocalyptic number.

It is an amenable number.

400451024011124 is a deficient number, since it is larger than the sum of its proper divisors (337221914956876).

400451024011124 is a wasteful number, since it uses less digits than its factorization.

400451024011124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269092421222 (or 5269092421220 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 400451024011124 its reverse (421110420154004), we get a palindrome (821561444165128).

The spelling of 400451024011124 in words is "four hundred trillion, four hundred fifty-one billion, twenty-four million, eleven thousand, one hundred twenty-four".