44543005253421 has 16 divisors (see below), whose sum is σ = 62907680937024. Its totient is φ = 27938135326464.

The previous prime is 44543005253419. The next prime is 44543005253437. The reversal of 44543005253421 is 12435250034544.

It is not a de Polignac number, because 44543005253421 - 2¹ = 44543005253419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44543005253401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162627286 + ... + 162900951.

It is an arithmetic number, because the mean of its divisors is an integer number (3931730058564).

Almost surely, 2^{44543005253421} is an apocalyptic number.

It is an amenable number.

44543005253421 is a deficient number, since it is larger than the sum of its proper divisors (18364675683603).

44543005253421 is a wasteful number, since it uses less digits than its factorization.

44543005253421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325530940.

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 44543005253421 its reverse (12435250034544), we get a palindrome (56978255287965).

The spelling of 44543005253421 in words is "forty-four trillion, five hundred forty-three billion, five million, two hundred fifty-three thousand, four hundred twenty-one".