2405246340 has 192 divisors, whose sum is σ = 7966425600. Its totient is φ = 541900800.

The previous prime is 2405246281. The next prime is 2405246351. The reversal of 2405246340 is 436425042.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2405246298 and 2405246307.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1501540 + ... + 1503140.

It is an arithmetic number, because the mean of its divisors is an integer number (41491800).

Almost surely, 2^2405246340 is an apocalyptic number.

2405246340 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 2405246340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3983212800).

2405246340 is an abundant number, since it is smaller than the sum of its proper divisors (5561179260).

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

2405246340 is a wasteful number, since it uses less digits than its factorization.

2405246340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 2405246340 is about 49043.3108588725. The cubic root of 2405246340 is about 1339.8407659603.

The spelling of 2405246340 in words is "two billion, four hundred five million, two hundred forty-six thousand, three hundred forty".