2406020240 has 80 divisors (see below), whose sum is σ = 6152606208. Its totient is φ = 869457408.

The previous prime is 2406020231. The next prime is 2406020249. The reversal of 2406020240 is 420206042.

It is an interprime number because it is at equal distance from previous prime (2406020231) and next prime (2406020249).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2406020249) 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, 24269 + ... + 73491.

Almost surely, 2^2406020240 is an apocalyptic number.

2406020240 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 2406020240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3076303104).

2406020240 is an abundant number, since it is smaller than the sum of its proper divisors (3746585968).

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

2406020240 is a wasteful number, since it uses less digits than its factorization.

2406020240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49296 (or 49290 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2406020240 is about 49051.2001891901. The cubic root of 2406020240 is about 1339.9844506995.

Adding to 2406020240 its reverse (420206042), we get a palindrome (2826226282).

The spelling of 2406020240 in words is "two billion, four hundred six million, twenty thousand, two hundred forty".