2443369840 has 20 divisors (see below), whose sum is σ = 5680835064. Its totient is φ = 977347904.

The previous prime is 2443369813. The next prime is 2443369883. The reversal of 2443369840 is 489633442.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15270982 + ... + 15271141.

Almost surely, 2^2443369840 is an apocalyptic number.

2443369840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2443369840 is an abundant number, since it is smaller than the sum of its proper divisors (3237465224).

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

2443369840 is a wasteful number, since it uses less digits than its factorization.

2443369840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30542136 (or 30542130 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The square root of 2443369840 is about 49430.4545801472. The cubic root of 2443369840 is about 1346.8825809189.

The spelling of 2443369840 in words is "two billion, four hundred forty-three million, three hundred sixty-nine thousand, eight hundred forty".