2204396663490 has 1024 divisors, whose sum is σ = 7660044288000. Its totient is φ = 449161251840.

The previous prime is 2204396663419. The next prime is 2204396663533. The reversal of 2204396663490 is 943666934022.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 46902056647 + ... + 46902056693.

It is an arithmetic number, because the mean of its divisors is an integer number (7480512000).

Almost surely, 2^{2204396663490} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2204396663490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3830022144000).

2204396663490 is an abundant number, since it is smaller than the sum of its proper divisors (5455647624510).

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

2204396663490 is an equidigital number, since it uses as much as digits as its factorization.

2204396663490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 54.

The spelling of 2204396663490 in words is "two trillion, two hundred four billion, three hundred ninety-six million, six hundred sixty-three thousand, four hundred ninety".