2622040405 has 16 divisors (see below), whose sum is σ = 3226330800. Its totient is φ = 2044477440.

The previous prime is 2622040381. The next prime is 2622040469. The reversal of 2622040405 is 5040402262.

It can be written as a sum of positive squares in 8 ways, for example, as 1018758724 + 1603281681 = 31918^2 + 40041^2 .

It is not a de Polignac number, because 2622040405 - 2¹¹ = 2622038357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2622040405.

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, 225781 + ... + 237109.

It is an arithmetic number, because the mean of its divisors is an integer number (201645675).

Almost surely, 2^2622040405 is an apocalyptic number.

It is an amenable number.

2622040405 is a deficient number, since it is larger than the sum of its proper divisors (604290395).

2622040405 is a wasteful number, since it uses less digits than its factorization.

2622040405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12504.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2622040405 is about 51205.8629943877. The cubic root of 2622040405 is about 1378.9434615990.

Adding to 2622040405 its reverse (5040402262), we get a palindrome (7662442667).

The spelling of 2622040405 in words is "two billion, six hundred twenty-two million, forty thousand, four hundred five".