400242424022 has 64 divisors (see below), whose sum is σ = 744399936000. Its totient is φ = 157567576320.

The previous prime is 400242424009. The next prime is 400242424027. The reversal of 400242424022 is 220424242004.

It is a junction number, because it is equal to n+sod(n) for n = 400242423982 and 400242424000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400242424027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1665104 + ... + 1890252.

It is an arithmetic number, because the mean of its divisors is an integer number (11631249000).

Almost surely, 2^400242424022 is an apocalyptic number.

400242424022 is a deficient number, since it is larger than the sum of its proper divisors (344157511978).

400242424022 is a wasteful number, since it uses less digits than its factorization.

400242424022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225381.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 400242424022 its reverse (220424242004), we get a palindrome (620666666026).

The spelling of 400242424022 in words is "four hundred billion, two hundred forty-two million, four hundred twenty-four thousand, twenty-two".