2151248264 has 32 divisors (see below), whose sum is σ = 4404002400. Its totient is φ = 977013120.

The previous prime is 2151248263. The next prime is 2151248273. The reversal of 2151248264 is 4628421512.

It is not an unprimeable number, because it can be changed into a prime (2151248263) 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 7 ways as a sum of consecutive naturals, for example, 101084 + ... + 120500.

It is an arithmetic number, because the mean of its divisors is an integer number (137625075).

Almost surely, 2^2151248264 is an apocalyptic number.

It is an amenable number.

2151248264 is an abundant number, since it is smaller than the sum of its proper divisors (2252754136).

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

2151248264 is a wasteful number, since it uses less digits than its factorization.

2151248264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20693 (or 20689 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 2151248264 is about 46381.5509011935. The cubic root of 2151248264 is about 1290.9126134365.

Adding to 2151248264 its reverse (4628421512), we get a palindrome (6779669776).

It can be divided in two parts, 2151248 and 264, that added together give a palindrome (2151512).

The spelling of 2151248264 in words is "two billion, one hundred fifty-one million, two hundred forty-eight thousand, two hundred sixty-four".