2630420370 has 144 divisors (see below), whose sum is σ = 7486703640. Its totient is φ = 638530560.

The previous prime is 2630420347. The next prime is 2630420371. The reversal of 2630420370 is 730240362.

2630420370 is a `hidden beast` number, since 2 + 630 + 4 + 20 + 3 + 7 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2625845049 + 4575321 = 51243^2 + 2139^2 .

It is a super-2 number, since 2×2630420370² = 13838222645821873800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2630420371) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1469436 + ... + 1471224.

Almost surely, 2^2630420370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2630420370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3743351820).

2630420370 is an abundant number, since it is smaller than the sum of its proper divisors (4856283270).

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

2630420370 is a wasteful number, since it uses less digits than its factorization.

2630420370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881 (or 1847 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 2630420370 is about 51287.6239457435. The cubic root of 2630420370 is about 1380.4109204768.

The spelling of 2630420370 in words is "two billion, six hundred thirty million, four hundred twenty thousand, three hundred seventy".