2602012840 has 64 divisors (see below), whose sum is σ = 6702600960. Its totient is φ = 890557440.

The previous prime is 2602012801. The next prime is 2602012841. The reversal of 2602012840 is 482102062.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2602012841) 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, 158205 + ... + 173875.

It is an arithmetic number, because the mean of its divisors is an integer number (104728140).

Almost surely, 2^2602012840 is an apocalyptic number.

2602012840 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 2602012840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3351300480).

2602012840 is an abundant number, since it is smaller than the sum of its proper divisors (4100588120).

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

2602012840 is a wasteful number, since it uses less digits than its factorization.

2602012840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16282 (or 16278 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2602012840 is about 51009.9288374332. The cubic root of 2602012840 is about 1375.4236208791.

The spelling of 2602012840 in words is "two billion, six hundred two million, twelve thousand, eight hundred forty".