2207907840 has 144 divisors (see below), whose sum is σ = 7071569568. Its totient is φ = 588251136.

The previous prime is 2207907833. The next prime is 2207907847. The reversal of 2207907840 is 487097022.

It is an interprime number because it is at equal distance from previous prime (2207907833) and next prime (2207907847).

It is not an unprimeable number, because it can be changed into a prime (2207907847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1965519 + ... + 1966641.

It is an arithmetic number, because the mean of its divisors is an integer number (49108122).

Almost surely, 2^2207907840 is an apocalyptic number.

2207907840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2207907840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3535784784).

2207907840 is an abundant number, since it is smaller than the sum of its proper divisors (4863661728).

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

2207907840 is an frugal number, since it uses more digits than its factorization.

2207907840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 2207907840 is about 46988.3798401264. The cubic root of 2207907840 is about 1302.1478969608.

The spelling of 2207907840 in words is "two billion, two hundred seven million, nine hundred seven thousand, eight hundred forty".