2346404640 has 48 divisors (see below), whose sum is σ = 7391176128. Its totient is φ = 625707776.

The previous prime is 2346404623. The next prime is 2346404647. The reversal of 2346404640 is 464046432.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×2346404640² = 11011229469227059200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2346404647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2443692 + ... + 2444651.

It is an arithmetic number, because the mean of its divisors is an integer number (153982836).

Almost surely, 2^2346404640 is an apocalyptic number.

2346404640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2346404640 is an abundant number, since it is smaller than the sum of its proper divisors (5044771488).

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

2346404640 is a wasteful number, since it uses less digits than its factorization.

2346404640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888361 (or 4888353 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

The square root of 2346404640 is about 48439.7010725706. The cubic root of 2346404640 is about 1328.8245290885.

The spelling of 2346404640 in words is "two billion, three hundred forty-six million, four hundred four thousand, six hundred forty".