6424650144 has 144 divisors (see below), whose sum is σ = 20417552064. Its totient is φ = 1899340800.

The previous prime is 6424650121. The next prime is 6424650163. The reversal of 6424650144 is 4410564246.

6424650144 is a `hidden beast` number, since 642 + 4 + 6 + 5 + 0 + 1 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×6424650144² = 82552258945598441472, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 6424650099 and 6424650108.

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, 105157 + ... + 154619.

It is an arithmetic number, because the mean of its divisors is an integer number (141788556).

Almost surely, 2^6424650144 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 6424650144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10208776032).

6424650144 is an abundant number, since it is smaller than the sum of its proper divisors (13992901920).

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

6424650144 is a wasteful number, since it uses less digits than its factorization.

6424650144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49531 (or 49520 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 6424650144 is about 80153.9153379297. The cubic root of 6424650144 is about 1859.0161428732.

The spelling of 6424650144 in words is "six billion, four hundred twenty-four million, six hundred fifty thousand, one hundred forty-four".