2136623452040 has 256 divisors, whose sum is σ = 6203132928000. Its totient is φ = 642704993280.

The previous prime is 2136623452013. The next prime is 2136623452063. The reversal of 2136623452040 is 402543266312.

It is a junction number, because it is equal to n+sod(n) for n = 2136623451985 and 2136623452003.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 275369681 + ... + 275377439.

It is an arithmetic number, because the mean of its divisors is an integer number (24230988000).

Almost surely, 2^{2136623452040} is an apocalyptic number.

2136623452040 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 2136623452040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3101566464000).

2136623452040 is an abundant number, since it is smaller than the sum of its proper divisors (4066509475960).

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

2136623452040 is a wasteful number, since it uses less digits than its factorization.

2136623452040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10900 (or 10896 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 2136623452040 in words is "two trillion, one hundred thirty-six billion, six hundred twenty-three million, four hundred fifty-two thousand, forty".