400022430045 has 32 divisors (see below), whose sum is σ = 731517415680. Its totient is φ = 182855439360.

The previous prime is 400022430023. The next prime is 400022430047. The reversal of 400022430045 is 540034220004.

It is not a de Polignac number, because 400022430045 - 2¹² = 400022425949 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 400022429997 and 400022430024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400022430047) 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, 1602375 + ... + 1835115.

It is an arithmetic number, because the mean of its divisors is an integer number (22859919240).

Almost surely, 2^400022430045 is an apocalyptic number.

It is an amenable number.

400022430045 is a deficient number, since it is larger than the sum of its proper divisors (331494985635).

400022430045 is a wasteful number, since it uses less digits than its factorization.

400022430045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249125.

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 400022430045 its reverse (540034220004), we get a palindrome (940056650049).

The spelling of 400022430045 in words is "four hundred billion, twenty-two million, four hundred thirty thousand, forty-five".