2546766720 has 96 divisors (see below), whose sum is σ = 8794323720. Its totient is φ = 679136256.

The previous prime is 2546766671. The next prime is 2546766727. The reversal of 2546766720 is 276676452.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2546766727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215314 + ... + 226833.

Almost surely, 2^2546766720 is an apocalyptic number.

2546766720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2546766720 is an abundant number, since it is smaller than the sum of its proper divisors (6247557000).

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

2546766720 is a wasteful number, since it uses less digits than its factorization.

2546766720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442172 (or 442157 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The square root of 2546766720 is about 50465.5002947558. The cubic root of 2546766720 is about 1365.6195392367.

The spelling of 2546766720 in words is "two billion, five hundred forty-six million, seven hundred sixty-six thousand, seven hundred twenty".