6215255430 has 16 divisors (see below), whose sum is σ = 14916613104. Its totient is φ = 1657401440.

The previous prime is 6215255429. The next prime is 6215255447. The reversal of 6215255430 is 345525126.

It is a junction number, because it is equal to n+sod(n) for n = 6215255391 and 6215255400.

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, 103587561 + ... + 103587620.

It is an arithmetic number, because the mean of its divisors is an integer number (932288319).

Almost surely, 2^6215255430 is an apocalyptic number.

6215255430 is an abundant number, since it is smaller than the sum of its proper divisors (8701357674).

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

6215255430 is a wasteful number, since it uses less digits than its factorization.

6215255430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207175191.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 6215255430 is about 78836.8913009639. The cubic root of 6215255430 is about 1838.5960689118.

The spelling of 6215255430 in words is "six billion, two hundred fifteen million, two hundred fifty-five thousand, four hundred thirty".