2542215040452 has 18 divisors (see below), whose sum is σ = 6426154685678. Its totient is φ = 847405013472.

The previous prime is 2542215040447. The next prime is 2542215040481. The reversal of 2542215040452 is 2540405122452.

2542215040452 is a `hidden beast` number, since 2 + 5 + 422 + 150 + 40 + 45 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1931388385536 + 610826654916 = 1389744^2 + 781554^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 70617084457 = 2542215040452 / (2 + 5 + 4 + 2 + 2 + 1 + 5 + 0 + 4 + 0 + 4 + 5 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35308542193 + ... + 35308542264.

Almost surely, 2^{2542215040452} is an apocalyptic number.

It is an amenable number.

2542215040452 is an abundant number, since it is smaller than the sum of its proper divisors (3883939645226).

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

2542215040452 is a wasteful number, since it uses less digits than its factorization.

2542215040452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70617084467 (or 70617084462 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 2542215040452 in words is "two trillion, five hundred forty-two billion, two hundred fifteen million, forty thousand, four hundred fifty-two".