2539854192 has 20 divisors (see below), whose sum is σ = 6561290120. Its totient is φ = 846618048.

The previous prime is 2539854173. The next prime is 2539854193. The reversal of 2539854192 is 2914589352.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 52913629 = 2539854192 / (2 + 5 + 3 + 9 + 8 + 5 + 4 + 1 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539854193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26456767 + ... + 26456862.

It is an arithmetic number, because the mean of its divisors is an integer number (328064506).

Almost surely, 2^2539854192 is an apocalyptic number.

It is an amenable number.

2539854192 is an abundant number, since it is smaller than the sum of its proper divisors (4021435928).

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

2539854192 is a wasteful number, since it uses less digits than its factorization.

2539854192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52913640 (or 52913634 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The square root of 2539854192 is about 50396.9660991612. The cubic root of 2539854192 is about 1364.3828814223.

The spelling of 2539854192 in words is "two billion, five hundred thirty-nine million, eight hundred fifty-four thousand, one hundred ninety-two".