6426652140 has 72 divisors (see below), whose sum is σ = 19501530048. Its totient is φ = 1713127680.

The previous prime is 6426652121. The next prime is 6426652151. The reversal of 6426652140 is 412566246.

6426652140 is a `hidden beast` number, since 642 + 6 + 6 + 5 + 2 + 1 + 4 + 0 = 666.

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 = 6426652095 and 6426652104.

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, 648664 + ... + 658496.

It is an arithmetic number, because the mean of its divisors is an integer number (270854584).

Almost surely, 2^6426652140 is an apocalyptic number.

6426652140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6426652140 is an abundant number, since it is smaller than the sum of its proper divisors (13074877908).

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

6426652140 is a wasteful number, since it uses less digits than its factorization.

6426652140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13479 (or 13474 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 6426652140 is about 80166.4028131486. The cubic root of 6426652140 is about 1859.2092198650.

The spelling of 6426652140 in words is "six billion, four hundred twenty-six million, six hundred fifty-two thousand, one hundred forty".