43445251226442 has 64 divisors (see below), whose sum is σ = 97549281930240. Its totient is φ = 12808466496000.

The previous prime is 43445251226297. The next prime is 43445251226449. The reversal of 43445251226442 is 24462215254434.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 43445251226391 and 43445251226400.

It is not an unprimeable number, because it can be changed into a prime (43445251226449) 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, 88703467 + ... + 89191902.

It is an arithmetic number, because the mean of its divisors is an integer number (1524207530160).

Almost surely, 2^{43445251226442} is an apocalyptic number.

43445251226442 is an abundant number, since it is smaller than the sum of its proper divisors (54104030703798).

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

43445251226442 is a wasteful number, since it uses less digits than its factorization.

43445251226442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177895519.

The product of its digits is 7372800, while the sum is 48.

The spelling of 43445251226442 in words is "forty-three trillion, four hundred forty-five billion, two hundred fifty-one million, two hundred twenty-six thousand, four hundred forty-two".