4636520040450 has 96 divisors (see below), whose sum is σ = 12106247918400. Its totient is φ = 1171090379520.

The previous prime is 4636520040419. The next prime is 4636520040463. The reversal of 4636520040450 is 540400256364.

It is a junction number, because it is equal to n+sod(n) for n = 4636520040399 and 4636520040408.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13894156 + ... + 14223944.

It is an arithmetic number, because the mean of its divisors is an integer number (126106749150).

Almost surely, 2^{4636520040450} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4636520040450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6053123959200).

4636520040450 is an abundant number, since it is smaller than the sum of its proper divisors (7469727877950).

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

4636520040450 is a wasteful number, since it uses less digits than its factorization.

4636520040450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334756 (or 334751 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 4636520040450 in words is "four trillion, six hundred thirty-six billion, five hundred twenty million, forty thousand, four hundred fifty".