2547155072 has 64 divisors (see below), whose sum is σ = 6326562240. Its totient is φ = 992394240.

The previous prime is 2547155069. The next prime is 2547155087. The reversal of 2547155072 is 2705517452.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119363 + ... + 139074.

It is an arithmetic number, because the mean of its divisors is an integer number (98852535).

Almost surely, 2^2547155072 is an apocalyptic number.

2547155072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2547155072 is an abundant number, since it is smaller than the sum of its proper divisors (3779407168).

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

2547155072 is a wasteful number, since it uses less digits than its factorization.

2547155072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258469 (or 258457 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 38.

The square root of 2547155072 is about 50469.3478459946. The cubic root of 2547155072 is about 1365.6889493533.

The spelling of 2547155072 in words is "two billion, five hundred forty-seven million, one hundred fifty-five thousand, seventy-two".