4126421473640 has 64 divisors (see below), whose sum is σ = 10347991963200. Its totient is φ = 1471714403328.

The previous prime is 4126421473639. The next prime is 4126421473673. The reversal of 4126421473640 is 463741246214.

It is a junction number, because it is equal to n+sod(n) for n = 4126421473591 and 4126421473600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159678314 + ... + 159704153.

It is an arithmetic number, because the mean of its divisors is an integer number (161687374425).

Almost surely, 2^{4126421473640} is an apocalyptic number.

4126421473640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4126421473640 is an abundant number, since it is smaller than the sum of its proper divisors (6221570489560).

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

4126421473640 is a wasteful number, since it uses less digits than its factorization.

4126421473640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319382514 (or 319382510 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 4126421473640 in words is "four trillion, one hundred twenty-six billion, four hundred twenty-one million, four hundred seventy-three thousand, six hundred forty".