2036646065400 has 144 divisors (see below), whose sum is σ = 6321707337960. Its totient is φ = 542409292800.

The previous prime is 2036646065381. The next prime is 2036646065417. The reversal of 2036646065400 is 45606466302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 640251810 + ... + 640254990.

Almost surely, 2^{2036646065400} is an apocalyptic number.

2036646065400 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 2036646065400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3160853668980).

2036646065400 is an abundant number, since it is smaller than the sum of its proper divisors (4285061272560).

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

2036646065400 is a wasteful number, since it uses less digits than its factorization.

2036646065400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266 (or 4224 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 2036646065400 in words is "two trillion, thirty-six billion, six hundred forty-six million, sixty-five thousand, four hundred".