6144861330 has 48 divisors (see below), whose sum is σ = 16527565080. Its totient is φ = 1582124544.

The previous prime is 6144861257. The next prime is 6144861341. The reversal of 6144861330 is 331684416.

6144861330 = 15073² + 15074² + ... + 15099².

It is a happy number.

6144861330 is a `hidden beast` number, since 6 + 1 + 4 + 4 + 8 + 613 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4611903921 + 1532957409 = 67911^2 + 39153^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1174567 + ... + 1179786.

Almost surely, 2^6144861330 is an apocalyptic number.

6144861330 is an abundant number, since it is smaller than the sum of its proper divisors (10382703750).

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

6144861330 is a wasteful number, since it uses less digits than its factorization.

6144861330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354395 (or 2354392 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 6144861330 is about 78389.1658968253. The cubic root of 6144861330 is about 1831.6283723429.

The spelling of 6144861330 in words is "six billion, one hundred forty-four million, eight hundred sixty-one thousand, three hundred thirty".