400112435152 has 20 divisors (see below), whose sum is σ = 775231871940. Its totient is φ = 200052597248.

The previous prime is 400112435119. The next prime is 400112435153. The reversal of 400112435152 is 251534211004.

It can be written as a sum of positive squares in 2 ways, for example, as 316739337616 + 83373097536 = 562796^2 + 288744^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 400112435152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400112435153) 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, 836874 + ... + 1224982.

It is an arithmetic number, because the mean of its divisors is an integer number (38761593597).

Almost surely, 2^400112435152 is an apocalyptic number.

It is an amenable number.

400112435152 is a deficient number, since it is larger than the sum of its proper divisors (375119436788).

400112435152 is a wasteful number, since it uses less digits than its factorization.

400112435152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452550 (or 452544 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 400112435152 its reverse (251534211004), we get a palindrome (651646646156).

The spelling of 400112435152 in words is "four hundred billion, one hundred twelve million, four hundred thirty-five thousand, one hundred fifty-two".