1004636364550 has 144 divisors (see below), whose sum is σ = 2358010327680. Its totient is φ = 315628669440.

The previous prime is 1004636364541. The next prime is 1004636364559. The reversal of 1004636364550 is 554636364001.

It is an interprime number because it is at equal distance from previous prime (1004636364541) and next prime (1004636364559).

It is a junction number, because it is equal to n+sod(n) for n = 1004636364497 and 1004636364506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004636364559) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4248331 + ... + 4478569.

It is an arithmetic number, because the mean of its divisors is an integer number (16375071720).

Almost surely, 2^{1004636364550} is an apocalyptic number.

1004636364550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1004636364550 is an abundant number, since it is smaller than the sum of its proper divisors (1353373963130).

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

1004636364550 is a wasteful number, since it uses less digits than its factorization.

1004636364550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230415 (or 230403 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 1004636364550 in words is "one trillion, four billion, six hundred thirty-six million, three hundred sixty-four thousand, five hundred fifty".