2440663020 has 144 divisors (see below), whose sum is σ = 7592719680. Its totient is φ = 634411008.

The previous prime is 2440663019. The next prime is 2440663073. The reversal of 2440663020 is 203660442.

2440663020 is a `hidden beast` number, since 2 + 4 + 4 + 0 + 6 + 630 + 20 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1168417 + ... + 1170503.

It is an arithmetic number, because the mean of its divisors is an integer number (52727220).

Almost surely, 2^2440663020 is an apocalyptic number.

2440663020 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 2440663020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3796359840).

2440663020 is an abundant number, since it is smaller than the sum of its proper divisors (5152056660).

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

2440663020 is a wasteful number, since it uses less digits than its factorization.

2440663020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264 (or 2259 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 2440663020 is about 49403.0669088469. The cubic root of 2440663020 is about 1346.3850282131.

The spelling of 2440663020 in words is "two billion, four hundred forty million, six hundred sixty-three thousand, twenty".