10555495540 has 12 divisors (see below), whose sum is σ = 22166540676. Its totient is φ = 4222198208.

The previous prime is 10555495523. The next prime is 10555495541. The reversal of 10555495540 is 4559455501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6608389264 + 3947106276 = 81292^2 + 62826^2 .

It is a super-2 number, since 2×10555495540² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555495541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263887369 + ... + 263887408.

It is an arithmetic number, because the mean of its divisors is an integer number (1847211723).

Almost surely, 2^10555495540 is an apocalyptic number.

10555495540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10555495540 is an abundant number, since it is smaller than the sum of its proper divisors (11611045136).

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

10555495540 is a wasteful number, since it uses less digits than its factorization.

10555495540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527774786 (or 527774784 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 43.

The spelling of 10555495540 in words is "ten billion, five hundred fifty-five million, four hundred ninety-five thousand, five hundred forty".