2615122320 has 40 divisors (see below), whose sum is σ = 8106879936. Its totient is φ = 697365888.

The previous prime is 2615122319. The next prime is 2615122327. The reversal of 2615122320 is 232215162.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2615122327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5447932 + ... + 5448411.

Almost surely, 2^2615122320 is an apocalyptic number.

2615122320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2615122320 is an abundant number, since it is smaller than the sum of its proper divisors (5491757616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2615122320 is a wasteful number, since it uses less digits than its factorization.

2615122320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10896359 (or 10896353 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2615122320 is about 51138.2666894372. The cubic root of 2615122320 is about 1377.7296422270.

Adding to 2615122320 its reverse (232215162), we get a palindrome (2847337482).

The spelling of 2615122320 in words is "two billion, six hundred fifteen million, one hundred twenty-two thousand, three hundred twenty".