2440863720 has 80 divisors (see below), whose sum is σ = 8204025060. Its totient is φ = 650896128.

The previous prime is 2440863611. The next prime is 2440863731. The reversal of 2440863720 is 273680442.

It can be written as a sum of positive squares in 2 ways, for example, as 2434238244 + 6625476 = 49338^2 + 2574^2 .

It is a super-2 number, since 2×2440863720² = 11915631399224476800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 373437 + ... + 379916.

Almost surely, 2^2440863720 is an apocalyptic number.

2440863720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440863720 is an abundant number, since it is smaller than the sum of its proper divisors (5763161340).

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

2440863720 is a wasteful number, since it uses less digits than its factorization.

2440863720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753376 (or 753363 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 2440863720 is about 49405.0981175020. The cubic root of 2440863720 is about 1346.4219324022.

The spelling of 2440863720 in words is "two billion, four hundred forty million, eight hundred sixty-three thousand, seven hundred twenty".