43220254405 has 16 divisors (see below), whose sum is σ = 53865828864. Its totient is φ = 33255541440.

The previous prime is 43220254397. The next prime is 43220254433. The reversal of 43220254405 is 50445202234.

It is not a de Polignac number, because 43220254405 - 2³ = 43220254397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

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, 830074 + ... + 880603.

It is an arithmetic number, because the mean of its divisors is an integer number (3366614304).

Almost surely, 2^43220254405 is an apocalyptic number.

It is an amenable number.

43220254405 is a deficient number, since it is larger than the sum of its proper divisors (10645574459).

43220254405 is a wasteful number, since it uses less digits than its factorization.

43220254405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710876.

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 43220254405 its reverse (50445202234), we get a palindrome (93665456639).

The spelling of 43220254405 in words is "forty-three billion, two hundred twenty million, two hundred fifty-four thousand, four hundred five".