400367036061 has 24 divisors (see below), whose sum is σ = 594562367360. Its totient is φ = 266271184872.

The previous prime is 400367036059. The next prime is 400367036087. The reversal of 400367036061 is 160630763004.

It is a happy number.

400367036061 is a `hidden beast` number, since 40 + 0 + 3 + 6 + 7 + 0 + 3 + 606 + 1 = 666.

It is not a de Polignac number, because 400367036061 - 2¹ = 400367036059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400367036021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4697916 + ... + 4782378.

Almost surely, 2^400367036061 is an apocalyptic number.

It is an amenable number.

400367036061 is a deficient number, since it is larger than the sum of its proper divisors (194195331299).

400367036061 is an frugal number, since it uses more digits than its factorization.

400367036061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85310 (or 84885 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

Adding to 400367036061 its reverse (160630763004), we get a palindrome (560997799065).

The spelling of 400367036061 in words is "four hundred billion, three hundred sixty-seven million, thirty-six thousand, sixty-one".