2543440602 has 32 divisors (see below), whose sum is σ = 5335051392. Its totient is φ = 806826944.

The previous prime is 2543440591. The next prime is 2543440607. The reversal of 2543440602 is 2060443452.

It is a self number, because there is not a number n which added to its sum of digits gives 2543440602.

It is not an unprimeable number, because it can be changed into a prime (2543440607) 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, 19593 + ... + 73964.

It is an arithmetic number, because the mean of its divisors is an integer number (166720356).

Almost surely, 2^2543440602 is an apocalyptic number.

2543440602 is an abundant number, since it is smaller than the sum of its proper divisors (2791610790).

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

2543440602 is a wasteful number, since it uses less digits than its factorization.

2543440602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93782.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 2543440602 is about 50432.5351534106. The cubic root of 2543440602 is about 1365.0247732626.

The spelling of 2543440602 in words is "two billion, five hundred forty-three million, four hundred forty thousand, six hundred two".