6415440622 has 4 divisors (see below), whose sum is σ = 9623160936. Its totient is φ = 3207720310.

The previous prime is 6415440613. The next prime is 6415440659. The reversal of 6415440622 is 2260445146.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603860154 + ... + 1603860157.

It is an arithmetic number, because the mean of its divisors is an integer number (2405790234).

Almost surely, 2^6415440622 is an apocalyptic number.

6415440622 is a deficient number, since it is larger than the sum of its proper divisors (3207720314).

6415440622 is a wasteful number, since it uses less digits than its factorization.

6415440622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207720313.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 6415440622 is about 80096.4457513565. The cubic root of 6415440622 is about 1858.1274388541.

Adding to 6415440622 its reverse (2260445146), we get a palindrome (8675885768).

The spelling of 6415440622 in words is "six billion, four hundred fifteen million, four hundred forty thousand, six hundred twenty-two".