2542152478 has 16 divisors (see below), whose sum is σ = 3841038144. Its totient is φ = 1261821600.

The previous prime is 2542152463. The next prime is 2542152539. The reversal of 2542152478 is 8742512452.

It is a happy number.

2542152478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2542152478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413628 + ... + 419728.

It is an arithmetic number, because the mean of its divisors is an integer number (240064884).

Almost surely, 2^2542152478 is an apocalyptic number.

2542152478 is a deficient number, since it is larger than the sum of its proper divisors (1298885666).

2542152478 is a wasteful number, since it uses less digits than its factorization.

2542152478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7587.

The product of its digits is 179200, while the sum is 40.

The square root of 2542152478 is about 50419.7627721512. The cubic root of 2542152478 is about 1364.7942956848.

The spelling of 2542152478 in words is "two billion, five hundred forty-two million, one hundred fifty-two thousand, four hundred seventy-eight".