2391486552 has 384 divisors, whose sum is σ = 8432640000. Its totient is φ = 627419520.

The previous prime is 2391486551. The next prime is 2391486569. The reversal of 2391486552 is 2556841932.

2391486552 is a `hidden beast` number, since 2 + 3 + 9 + 14 + 86 + 552 = 666.

Its product of digits (518400) is a multiple of the sum of its prime divisors (216).

It is a junction number, because it is equal to n+sod(n) for n = 2391486498 and 2391486507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391486551) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 12520777 + ... + 12520967.

It is an arithmetic number, because the mean of its divisors is an integer number (21960000).

Almost surely, 2^2391486552 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 2391486552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4216320000).

2391486552 is an abundant number, since it is smaller than the sum of its proper divisors (6041153448).

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

2391486552 is a wasteful number, since it uses less digits than its factorization.

2391486552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 216 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 2391486552 is about 48902.8276483068. The cubic root of 2391486552 is about 1337.2809182843.

The spelling of 2391486552 in words is "two billion, three hundred ninety-one million, four hundred eighty-six thousand, five hundred fifty-two".