2449932421680 has 200 divisors, whose sum is σ = 8546467870512. Its totient is φ = 650436880896.

The previous prime is 2449932421679. The next prime is 2449932421687. The reversal of 2449932421680 is 861242399442.

2449932421680 is a `hidden beast` number, since 2 + 4 + 499 + 32 + 42 + 1 + 6 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2449932421687) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 638194 + ... + 2303726.

Almost surely, 2^{2449932421680} is an apocalyptic number.

2449932421680 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 2449932421680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4273233935256).

2449932421680 is an abundant number, since it is smaller than the sum of its proper divisors (6096535448832).

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

2449932421680 is a wasteful number, since it uses less digits than its factorization.

2449932421680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665785 (or 1665770 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 2449932421680 in words is "two trillion, four hundred forty-nine billion, nine hundred thirty-two million, four hundred twenty-one thousand, six hundred eighty".