2207616640 has 64 divisors (see below), whose sum is σ = 5447877120. Its totient is φ = 854553600.

The previous prime is 2207616599. The next prime is 2207616641. The reversal of 2207616640 is 466167022.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 2207616596 and 2207616605.

It is not an unprimeable number, because it can be changed into a prime (2207616641) 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, 35796 + ... + 75475.

It is an arithmetic number, because the mean of its divisors is an integer number (85123080).

Almost surely, 2^2207616640 is an apocalyptic number.

2207616640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2207616640 is an abundant number, since it is smaller than the sum of its proper divisors (3240260480).

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

2207616640 is a wasteful number, since it uses less digits than its factorization.

2207616640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111321 (or 111309 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2207616640 is about 46985.2810995103. The cubic root of 2207616640 is about 1302.0906478716.

The spelling of 2207616640 in words is "two billion, two hundred seven million, six hundred sixteen thousand, six hundred forty".