2406535440 has 80 divisors (see below), whose sum is σ = 7852920000. Its totient is φ = 607965696.

The previous prime is 2406535429. The next prime is 2406535441. The reversal of 2406535440 is 445356042.

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

It is not an unprimeable number, because it can be changed into a prime (2406535441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259315 + ... + 268434.

It is an arithmetic number, because the mean of its divisors is an integer number (98161500).

Almost surely, 2^2406535440 is an apocalyptic number.

2406535440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2406535440 is an abundant number, since it is smaller than the sum of its proper divisors (5446384560).

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

2406535440 is a wasteful number, since it uses less digits than its factorization.

2406535440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527784 (or 527778 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 2406535440 is about 49056.4515634794. The cubic root of 2406535440 is about 1340.0800872903.

The spelling of 2406535440 in words is "two billion, four hundred six million, five hundred thirty-five thousand, four hundred forty".