10206440455552 has 64 divisors (see below), whose sum is σ = 23349063902400. Its totient is φ = 4395117888000.

The previous prime is 10206440455537. The next prime is 10206440455613. The reversal of 10206440455552 is 25555404460201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 10206440455499 and 10206440455508.

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, 190733574 + ... + 190787077.

It is an arithmetic number, because the mean of its divisors is an integer number (364829123475).

Almost surely, 2^{10206440455552} is an apocalyptic number.

It is an amenable number.

10206440455552 is an abundant number, since it is smaller than the sum of its proper divisors (13142623446848).

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

10206440455552 is a wasteful number, since it uses less digits than its factorization.

10206440455552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381520695 (or 381520683 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 43.

The spelling of 10206440455552 in words is "ten trillion, two hundred six billion, four hundred forty million, four hundred fifty-five thousand, five hundred fifty-two".