2542673742 has 32 divisors (see below), whose sum is σ = 5866152192. Its totient is φ = 719687424.

The previous prime is 2542673669. The next prime is 2542673767. The reversal of 2542673742 is 2473762452.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2542673694 and 2542673703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278403 + ... + 287390.

It is an arithmetic number, because the mean of its divisors is an integer number (183317256).

Almost surely, 2^2542673742 is an apocalyptic number.

2542673742 is an abundant number, since it is smaller than the sum of its proper divisors (3323478450).

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

2542673742 is a wasteful number, since it uses less digits than its factorization.

2542673742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565912.

The product of its digits is 564480, while the sum is 42.

The square root of 2542673742 is about 50424.9317500778. The cubic root of 2542673742 is about 1364.8875722185.

The spelling of 2542673742 in words is "two billion, five hundred forty-two million, six hundred seventy-three thousand, seven hundred forty-two".