2405642748 has 12 divisors (see below), whose sum is σ = 5613166440. Its totient is φ = 801880912.

The previous prime is 2405642747. The next prime is 2405642761. The reversal of 2405642748 is 8472465042.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405642741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100235103 + ... + 100235126.

It is an arithmetic number, because the mean of its divisors is an integer number (467763870).

Almost surely, 2^2405642748 is an apocalyptic number.

It is an amenable number.

2405642748 is an abundant number, since it is smaller than the sum of its proper divisors (3207523692).

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

2405642748 is a wasteful number, since it uses less digits than its factorization.

2405642748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200470236 (or 200470234 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The square root of 2405642748 is about 49047.3520997821. The cubic root of 2405642748 is about 1339.9143681820.

The spelling of 2405642748 in words is "two billion, four hundred five million, six hundred forty-two thousand, seven hundred forty-eight".