2240006440420 has 48 divisors (see below), whose sum is σ = 5376103907328. Its totient is φ = 767989572480.

The previous prime is 2240006440411. The next prime is 2240006440421. The reversal of 2240006440420 is 240446000422.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2240006440421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13248334 + ... + 13416346.

It is an arithmetic number, because the mean of its divisors is an integer number (112002164736).

Almost surely, 2^{2240006440420} is an apocalyptic number.

2240006440420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240006440420 is an abundant number, since it is smaller than the sum of its proper divisors (3136097466908).

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

2240006440420 is a wasteful number, since it uses less digits than its factorization.

2240006440420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263260 (or 263258 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The spelling of 2240006440420 in words is "two trillion, two hundred forty billion, six million, four hundred forty thousand, four hundred twenty".