4654640213550 has 144 divisors (see below), whose sum is σ = 13004428020480. Its totient is φ = 1192160928000.

The previous prime is 4654640213537. The next prime is 4654640213581. The reversal of 4654640213550 is 553120464564.

4654640213550 is a `hidden beast` number, since 4 + 6 + 5 + 46 + 40 + 2 + 13 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 4654640213496 and 4654640213505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1558840 + ... + 3426260.

It is an arithmetic number, because the mean of its divisors is an integer number (90308527920).

Almost surely, 2^{4654640213550} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4654640213550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6502214010240).

4654640213550 is an abundant number, since it is smaller than the sum of its proper divisors (8349787806930).

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

4654640213550 is a wasteful number, since it uses less digits than its factorization.

4654640213550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867659 (or 1867651 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 4654640213550 in words is "four trillion, six hundred fifty-four billion, six hundred forty million, two hundred thirteen thousand, five hundred fifty".