2554138992 has 80 divisors (see below), whose sum is σ = 6967272320. Its totient is φ = 804038400.

The previous prime is 2554138963. The next prime is 2554139047. The reversal of 2554138992 is 2998314552.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297642 + ... + 306102.

It is an arithmetic number, because the mean of its divisors is an integer number (87090904).

Almost surely, 2^2554138992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2554138992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3483636160).

2554138992 is an abundant number, since it is smaller than the sum of its proper divisors (4413133328).

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

2554138992 is a wasteful number, since it uses less digits than its factorization.

2554138992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8822 (or 8816 counting only the distinct ones).

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

The square root of 2554138992 is about 50538.4902030126. The cubic root of 2554138992 is about 1366.9359822480.

It can be divided in two parts, 255413899 and 2, that added together give a triangular number (255413901 = T₂₂₆₀₁).

The spelling of 2554138992 in words is "two billion, five hundred fifty-four million, one hundred thirty-eight thousand, nine hundred ninety-two".