2207399040 has 960 divisors, whose sum is σ = 10130313600. Its totient is φ = 452874240.

The previous prime is 2207398997. The next prime is 2207399057. The reversal of 2207399040 is 409937022.

2207399040 is a `hidden beast` number, since 220 + 7 + 399 + 0 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a super-2 number, since 2×2207399040² = 9745221043585843200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2207398986 and 2207399004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 27941721 + ... + 27941799.

It is an arithmetic number, because the mean of its divisors is an integer number (10552410).

Almost surely, 2^2207399040 is an apocalyptic number.

2207399040 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 2207399040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5065156800).

2207399040 is an abundant number, since it is smaller than the sum of its proper divisors (7922914560).

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

2207399040 is a wasteful number, since it uses less digits than its factorization.

2207399040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 2207399040 is about 46982.9654236512. The cubic root of 2207399040 is about 1302.0478650457.

The spelling of 2207399040 in words is "two billion, two hundred seven million, three hundred ninety-nine thousand, forty".