400400024622 has 16 divisors (see below), whose sum is σ = 862400053200. Its totient is φ = 123200007552.

The previous prime is 400400024621. The next prime is 400400024627. The reversal of 400400024622 is 226420004004.

400400024622 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 400400024592 and 400400024601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400400024621) 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, 2566666747 + ... + 2566666902.

It is an arithmetic number, because the mean of its divisors is an integer number (53900003325).

Almost surely, 2^400400024622 is an apocalyptic number.

400400024622 is an abundant number, since it is smaller than the sum of its proper divisors (462000028578).

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

400400024622 is a wasteful number, since it uses less digits than its factorization.

400400024622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133333667.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 400400024622 its reverse (226420004004), we get a palindrome (626820028626).

The spelling of 400400024622 in words is "four hundred billion, four hundred million, twenty-four thousand, six hundred twenty-two".