2459534640 has 160 divisors (see below), whose sum is σ = 7931801856. Its totient is φ = 629959680.

The previous prime is 2459534621. The next prime is 2459534641. The reversal of 2459534640 is 464359542.

It is a junction number, because it is equal to n+sod(n) for n = 2459534592 and 2459534601.

It is not an unprimeable number, because it can be changed into a prime (2459534641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 627567 + ... + 631473.

Almost surely, 2^2459534640 is an apocalyptic number.

2459534640 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 2459534640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3965900928).

2459534640 is an abundant number, since it is smaller than the sum of its proper divisors (5472267216).

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

2459534640 is a wasteful number, since it uses less digits than its factorization.

2459534640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027 (or 4021 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The square root of 2459534640 is about 49593.6955670779. The cubic root of 2459534640 is about 1349.8462815372.

The spelling of 2459534640 in words is "two billion, four hundred fifty-nine million, five hundred thirty-four thousand, six hundred forty".