2545516404 has 36 divisors (see below), whose sum is σ = 6452065984. Its totient is φ = 846189072.

The previous prime is 2545516367. The next prime is 2545516427. The reversal of 2545516404 is 4046155452.

2545516404 is a `hidden beast` number, since 2 + 5 + 4 + 5 + 5 + 1 + 640 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83122 + ... + 109545.

Almost surely, 2^2545516404 is an apocalyptic number.

It is an amenable number.

2545516404 is an abundant number, since it is smaller than the sum of its proper divisors (3906549580).

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

2545516404 is a wasteful number, since it uses less digits than its factorization.

2545516404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193044 (or 193039 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 2545516404 is about 50453.1109447178. The cubic root of 2545516404 is about 1365.3960224349.

The spelling of 2545516404 in words is "two billion, five hundred forty-five million, five hundred sixteen thousand, four hundred four".