2206402640460 has 72 divisors (see below), whose sum is σ = 6701027991840. Its totient is φ = 587646713088.

The previous prime is 2206402640441. The next prime is 2206402640461. The reversal of 2206402640460 is 640462046022.

2206402640460 is a `hidden beast` number, since 2 + 2 + 0 + 6 + 4 + 0 + 2 + 640 + 4 + 6 + 0 = 666.

It is a super-2 number, since 2×2206402640460² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2206402640461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7430272 + ... + 7721511.

It is an arithmetic number, because the mean of its divisors is an integer number (93069833220).

Almost surely, 2^{2206402640460} is an apocalyptic number.

2206402640460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2206402640460 is an abundant number, since it is smaller than the sum of its proper divisors (4494625351380).

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

2206402640460 is a wasteful number, since it uses less digits than its factorization.

2206402640460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15152607 (or 15152602 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 2206402640460 its reverse (640462046022), we get a palindrome (2846864686482).

The spelling of 2206402640460 in words is "two trillion, two hundred six billion, four hundred two million, six hundred forty thousand, four hundred sixty".