2481042081840 has 160 divisors (see below), whose sum is σ = 8791565160960. Its totient is φ = 566992914432.

The previous prime is 2481042081839. The next prime is 2481042081883. The reversal of 2481042081840 is 481802401842.

It is a super-2 number, since 2×2481042081840² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2481042081792 and 2481042081801.

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, 9373231 + ... + 9634289.

It is an arithmetic number, because the mean of its divisors is an integer number (54947282256).

Almost surely, 2^{2481042081840} is an apocalyptic number.

2481042081840 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 2481042081840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4395782580480).

2481042081840 is an abundant number, since it is smaller than the sum of its proper divisors (6310523079120).

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

2481042081840 is a wasteful number, since it uses less digits than its factorization.

2481042081840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266739 (or 266733 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 42.

The spelling of 2481042081840 in words is "two trillion, four hundred eighty-one billion, forty-two million, eighty-one thousand, eight hundred forty".