6306420472440 has 64 divisors (see below), whose sum is σ = 20639194277760. Its totient is φ = 1528829205120.

The previous prime is 6306420472439. The next prime is 6306420472537. The reversal of 6306420472440 is 442740246036.

It is a junction number, because it is equal to n+sod(n) for n = 6306420472392 and 6306420472401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2388794314 + ... + 2388796953.

It is an arithmetic number, because the mean of its divisors is an integer number (322487410590).

Almost surely, 2^{6306420472440} is an apocalyptic number.

6306420472440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6306420472440 is an abundant number, since it is smaller than the sum of its proper divisors (14332773805320).

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

6306420472440 is a wasteful number, since it uses less digits than its factorization.

6306420472440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777591292 (or 4777591288 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 42.

The spelling of 6306420472440 in words is "six trillion, three hundred six billion, four hundred twenty million, four hundred seventy-two thousand, four hundred forty".