2405623412 has 12 divisors (see below), whose sum is σ = 4227910596. Its totient is φ = 1197648960.

The previous prime is 2405623393. The next prime is 2405623447. The reversal of 2405623412 is 2143265042.

It can be written as a sum of positive squares in 2 ways, for example, as 447914896 + 1957708516 = 21164^2 + 44246^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289639 + ... + 1291502.

It is an arithmetic number, because the mean of its divisors is an integer number (352325883).

Almost surely, 2^2405623412 is an apocalyptic number.

It is an amenable number.

2405623412 is a deficient number, since it is larger than the sum of its proper divisors (1822287184).

2405623412 is a wasteful number, since it uses less digits than its factorization.

2405623412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581378 (or 2581376 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2405623412 is about 49047.1549837501. The cubic root of 2405623412 is about 1339.9107781984.

Adding to 2405623412 its reverse (2143265042), we get a palindrome (4548888454).

The spelling of 2405623412 in words is "two billion, four hundred five million, six hundred twenty-three thousand, four hundred twelve".