10020440434240 has 56 divisors (see below), whose sum is σ = 23861448319680. Its totient is φ = 4008130057728.

The previous prime is 10020440434231. The next prime is 10020440434297. The reversal of 10020440434240 is 4243404402001.

It is a junction number, because it is equal to n+sod(n) for n = 10020440434199 and 10020440434208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46748431 + ... + 46962289.

Almost surely, 2^{10020440434240} is an apocalyptic number.

10020440434240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020440434240 is an abundant number, since it is smaller than the sum of its proper divisors (13841007885440).

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

10020440434240 is a wasteful number, since it uses less digits than its factorization.

10020440434240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360299 (or 360289 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 10020440434240 its reverse (4243404402001), we get a palindrome (14263844836241).

The spelling of 10020440434240 in words is "ten trillion, twenty billion, four hundred forty million, four hundred thirty-four thousand, two hundred forty".