10102440132 has 36 divisors (see below), whose sum is σ = 25565921836. Its totient is φ = 3363629760.

The previous prime is 10102440109. The next prime is 10102440191. The reversal of 10102440132 is 23104420101.

It can be written as a sum of positive squares in 2 ways, for example, as 6591166596 + 3511273536 = 81186^2 + 59256^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128419 + ... + 191562.

Almost surely, 2^10102440132 is an apocalyptic number.

10102440132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10102440132 is an abundant number, since it is smaller than the sum of its proper divisors (15463481704).

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

10102440132 is a wasteful number, since it uses less digits than its factorization.

10102440132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320868 (or 320863 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10102440132 its reverse (23104420101), we get a palindrome (33206860233).

The spelling of 10102440132 in words is "ten billion, one hundred two million, four hundred forty thousand, one hundred thirty-two".