2147557412 has 48 divisors (see below), whose sum is σ = 5046018432. Its totient is φ = 772346880.

The previous prime is 2147557411. The next prime is 2147557463.

It is a happy number.

2147557412 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2147557412² = 9224005675672275488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147557411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264173 + ... + 272180.

It is an arithmetic number, because the mean of its divisors is an integer number (105125384).

Almost surely, 2^2147557412 is an apocalyptic number.

2147557412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2147557412 is an abundant number, since it is smaller than the sum of its proper divisors (2898461020).

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

2147557412 is a wasteful number, since it uses less digits than its factorization.

2147557412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536388 (or 536386 counting only the distinct ones).

The product of its digits is 78400, while the sum is 38.

The square root of 2147557412 is about 46341.7458885614. The cubic root of 2147557412 is about 1290.1739268323.

It can be divided in two parts, 21475 and 57412, that added together give a palindrome (78887).

The spelling of 2147557412 in words is "two billion, one hundred forty-seven million, five hundred fifty-seven thousand, four hundred twelve".