40400232303124 has 12 divisors (see below), whose sum is σ = 70700687200948. Its totient is φ = 20200035960000.

The previous prime is 40400232303089. The next prime is 40400232303161. The reversal of 40400232303124 is 42130323200404.

It can be written as a sum of positive squares in 2 ways, for example, as 38927242288900 + 1472990014224 = 6239170^2 + 1213668^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40400232303092 and 40400232303101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18907137 + ... + 20935144.

Almost surely, 2^{40400232303124} is an apocalyptic number.

It is an amenable number.

40400232303124 is a deficient number, since it is larger than the sum of its proper divisors (30300454897824).

40400232303124 is a wasteful number, since it uses less digits than its factorization.

40400232303124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40095786 (or 40095784 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 40400232303124 its reverse (42130323200404), we get a palindrome (82530555503528).

The spelling of 40400232303124 in words is "forty trillion, four hundred billion, two hundred thirty-two million, three hundred three thousand, one hundred twenty-four".