400424442022 has 16 divisors (see below), whose sum is σ = 655369239312. Its totient is φ = 181975209120.

The previous prime is 400424441971. The next prime is 400424442023. The reversal of 400424442022 is 220244424004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400424442023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680813 + ... + 1904200.

It is an arithmetic number, because the mean of its divisors is an integer number (40960577457).

Almost surely, 2^400424442022 is an apocalyptic number.

400424442022 is a deficient number, since it is larger than the sum of its proper divisors (254944797290).

400424442022 is a wasteful number, since it uses less digits than its factorization.

400424442022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3590103.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 400424442022 its reverse (220244424004), we get a palindrome (620668866026).

The spelling of 400424442022 in words is "four hundred billion, four hundred twenty-four million, four hundred forty-two thousand, twenty-two".