400422200040 has 96 divisors (see below), whose sum is σ = 1301486266080. Its totient is φ = 106769890176.

The previous prime is 400422200029. The next prime is 400422200047. The reversal of 400422200040 is 40002224004.

400422200040 is a `hidden beast` number, since 4 + 0 + 0 + 422 + 200 + 0 + 40 = 666.

400422200040 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 400422199986 and 400422200022.

It is not an unprimeable number, because it can be changed into a prime (400422200047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4705147 + ... + 4789493.

It is an arithmetic number, because the mean of its divisors is an integer number (13557148605).

Almost surely, 2^400422200040 is an apocalyptic number.

400422200040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400422200040 is an abundant number, since it is smaller than the sum of its proper divisors (901064066040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400422200040 is a wasteful number, since it uses less digits than its factorization.

400422200040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97551 (or 97544 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 400422200040 its reverse (40002224004), we get a palindrome (440424424044).

The spelling of 400422200040 in words is "four hundred billion, four hundred twenty-two million, two hundred thousand, forty".