22440342142554 has 16 divisors (see below), whose sum is σ = 51292210611648. Its totient is φ = 6411526326432.

The previous prime is 22440342142553. The next prime is 22440342142597. The reversal of 22440342142554 is 45524124304422.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 534293860537 = 22440342142554 / (2 + 2 + 4 + 4 + 0 + 3 + 4 + 2 + 1 + 4 + 2 + 5 + 5 + 4).

It is not an unprimeable number, because it can be changed into a prime (22440342142553) 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, 267146930227 + ... + 267146930310.

It is an arithmetic number, because the mean of its divisors is an integer number (3205763163228).

Almost surely, 2^{22440342142554} is an apocalyptic number.

22440342142554 is an abundant number, since it is smaller than the sum of its proper divisors (28851868469094).

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

22440342142554 is a wasteful number, since it uses less digits than its factorization.

22440342142554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534293860549.

The product of its (nonzero) digits is 1228800, while the sum is 42.

Adding to 22440342142554 its reverse (45524124304422), we get a palindrome (67964466446976).

The spelling of 22440342142554 in words is "twenty-two trillion, four hundred forty billion, three hundred forty-two million, one hundred forty-two thousand, five hundred fifty-four".