2551942152 has 64 divisors (see below), whose sum is σ = 7116465600. Its totient is φ = 847319040.

The previous prime is 2551942121. The next prime is 2551942157. The reversal of 2551942152 is 2512491552.

2551942152 is a `hidden beast` number, since 2 + 551 + 94 + 2 + 15 + 2 = 666.

It is a super-2 number, since 2×2551942152² = 13024817494308782208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2551942157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32527 + ... + 78497.

It is an arithmetic number, because the mean of its divisors is an integer number (111194775).

Almost surely, 2^2551942152 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 2551942152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3558232800).

2551942152 is an abundant number, since it is smaller than the sum of its proper divisors (4564523448).

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

2551942152 is a wasteful number, since it uses less digits than its factorization.

2551942152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46243 (or 46233 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 2551942152 is about 50516.7512019528. The cubic root of 2551942152 is about 1366.5439648184.

The spelling of 2551942152 in words is "two billion, five hundred fifty-one million, nine hundred forty-two thousand, one hundred fifty-two".