1405422544445 has 16 divisors (see below), whose sum is σ = 1743787579968. Its totient is φ = 1086663596160.

The previous prime is 1405422544373. The next prime is 1405422544451. The reversal of 1405422544445 is 5444452245041.

It is not a de Polignac number, because 1405422544445 - 2⁸ = 1405422544189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1405422544396 and 1405422544405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32014139 + ... + 32058008.

It is an arithmetic number, because the mean of its divisors is an integer number (108986723748).

Almost surely, 2^{1405422544445} is an apocalyptic number.

It is an amenable number.

1405422544445 is a deficient number, since it is larger than the sum of its proper divisors (338365035523).

1405422544445 is a wasteful number, since it uses less digits than its factorization.

1405422544445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64072300.

The product of its (nonzero) digits is 2048000, while the sum is 44.

Adding to 1405422544445 its reverse (5444452245041), we get a palindrome (6849874789486).

The spelling of 1405422544445 in words is "one trillion, four hundred five billion, four hundred twenty-two million, five hundred forty-four thousand, four hundred forty-five".