4615243643520 has 256 divisors, whose sum is σ = 16463257776000. Its totient is φ = 1221876817920.

The previous prime is 4615243643509. The next prime is 4615243643533. The reversal of 4615243643520 is 253463425164.

4615243643520 is a `hidden beast` number, since 4 + 6 + 1 + 52 + 4 + 36 + 43 + 520 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1441180 + ... + 3362660.

Almost surely, 2^{4615243643520} is an apocalyptic number.

4615243643520 is a gapful number since it is divisible by the number (40) 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 4615243643520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8231628888000).

4615243643520 is an abundant number, since it is smaller than the sum of its proper divisors (11848014132480).

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

4615243643520 is a wasteful number, since it uses less digits than its factorization.

4615243643520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921648 (or 1921630 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 4615243643520 in words is "four trillion, six hundred fifteen billion, two hundred forty-three million, six hundred forty-three thousand, five hundred twenty".