40422424234144 has 48 divisors (see below), whose sum is σ = 84662271683136. Its totient is φ = 18932164070400.

The previous prime is 40422424234123. The next prime is 40422424234147. The reversal of 40422424234144 is 44143242422404.

It is a super-2 number, since 2×40422424234144² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40422424234097 and 40422424234106.

It is not an unprimeable number, because it can be changed into a prime (40422424234147) 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, 175965612 + ... + 176195179.

It is an arithmetic number, because the mean of its divisors is an integer number (1763797326732).

Almost surely, 2^{40422424234144} is an apocalyptic number.

It is an amenable number.

40422424234144 is an abundant number, since it is smaller than the sum of its proper divisors (44239847448992).

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

40422424234144 is a wasteful number, since it uses less digits than its factorization.

40422424234144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352161029 (or 352161021 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 40.

Adding to 40422424234144 its reverse (44143242422404), we get a palindrome (84565666656548).

The spelling of 40422424234144 in words is "forty trillion, four hundred twenty-two billion, four hundred twenty-four million, two hundred thirty-four thousand, one hundred forty-four".