2544406460 has 12 divisors (see below), whose sum is σ = 5343253608. Its totient is φ = 1017762576.

The previous prime is 2544406421. The next prime is 2544406463. The reversal of 2544406460 is 646044452.

It is a self number, because there is not a number n which added to its sum of digits gives 2544406460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544406463) 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, 63610142 + ... + 63610181.

It is an arithmetic number, because the mean of its divisors is an integer number (445271134).

Almost surely, 2^2544406460 is an apocalyptic number.

2544406460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2544406460 is an abundant number, since it is smaller than the sum of its proper divisors (2798847148).

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

2544406460 is a wasteful number, since it uses less digits than its factorization.

2544406460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127220332 (or 127220330 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The square root of 2544406460 is about 50442.1099875887. The cubic root of 2544406460 is about 1365.1975383541.

The spelling of 2544406460 in words is "two billion, five hundred forty-four million, four hundred six thousand, four hundred sixty".