2473187840 has 80 divisors (see below), whose sum is σ = 5977331712. Its totient is φ = 981356544.

The previous prime is 2473187819. The next prime is 2473187851. The reversal of 2473187840 is 487813742.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2473187840² = 12233316183847731200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2473187791 and 2473187800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321317 + ... + 328923.

Almost surely, 2^2473187840 is an apocalyptic number.

2473187840 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 2473187840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2988665856).

2473187840 is an abundant number, since it is smaller than the sum of its proper divisors (3504143872).

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

2473187840 is an equidigital number, since it uses as much as digits as its factorization.

2473187840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7757 (or 7741 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 2473187840 is about 49731.1556270312. The cubic root of 2473187840 is about 1352.3393987037.

The spelling of 2473187840 in words is "two billion, four hundred seventy-three million, one hundred eighty-seven thousand, eight hundred forty".