648526622142 has 16 divisors (see below), whose sum is σ = 1482346564992. Its totient is φ = 185293320600.

The previous prime is 648526622137. The next prime is 648526622279. The reversal of 648526622142 is 241226625846.

It is a junction number, because it is equal to n+sod(n) for n = 648526622091 and 648526622100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7720554984 + ... + 7720555067.

It is an arithmetic number, because the mean of its divisors is an integer number (92646660312).

Almost surely, 2^648526622142 is an apocalyptic number.

648526622142 is an abundant number, since it is smaller than the sum of its proper divisors (833819942850).

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

648526622142 is a wasteful number, since it uses less digits than its factorization.

648526622142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15441110063.

The product of its digits is 2211840, while the sum is 48.

The spelling of 648526622142 in words is "six hundred forty-eight billion, five hundred twenty-six million, six hundred twenty-two thousand, one hundred forty-two".