400243001154230 has 16 divisors (see below), whose sum is σ = 775855663776144. Its totient is φ = 147782031195360.

The previous prime is 400243001154221. The next prime is 400243001154263. The reversal of 400243001154230 is 32451100342004.

It is a super-2 number, since 2×400243001154230² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400243001154193 and 400243001154202.

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, 1539396158156 + ... + 1539396158415.

It is an arithmetic number, because the mean of its divisors is an integer number (48490978986009).

Almost surely, 2^{400243001154230} is an apocalyptic number.

400243001154230 is a deficient number, since it is larger than the sum of its proper divisors (375612662621914).

400243001154230 is a wasteful number, since it uses less digits than its factorization.

400243001154230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078792316591.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 400243001154230 its reverse (32451100342004), we get a palindrome (432694101496234).

The spelling of 400243001154230 in words is "four hundred trillion, two hundred forty-three billion, one million, one hundred fifty-four thousand, two hundred thirty".