2551154788 has 96 divisors (see below), whose sum is σ = 5633058816. Its totient is φ = 984102912.

The previous prime is 2551154731. The next prime is 2551154789. The reversal of 2551154788 is 8874511552.

It is not an unprimeable number, because it can be changed into a prime (2551154789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4301820 + ... + 4302412.

It is an arithmetic number, because the mean of its divisors is an integer number (58677696).

Almost surely, 2^2551154788 is an apocalyptic number.

2551154788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2551154788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2816529408).

2551154788 is an abundant number, since it is smaller than the sum of its proper divisors (3081904028).

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

2551154788 is a wasteful number, since it uses less digits than its factorization.

2551154788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 891 counting only the distinct ones).

The product of its digits is 448000, while the sum is 46.

The square root of 2551154788 is about 50508.9575026054. The cubic root of 2551154788 is about 1366.4034080535.

The spelling of 2551154788 in words is "two billion, five hundred fifty-one million, one hundred fifty-four thousand, seven hundred eighty-eight".