13010232440 has 32 divisors (see below), whose sum is σ = 30545765280. Its totient is φ = 4977827712.

The previous prime is 13010232437. The next prime is 13010232457. The reversal of 13010232440 is 4423201031.

It is a super-2 number, since 2×13010232440² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 7069859 + ... + 7071698.

It is an arithmetic number, because the mean of its divisors is an integer number (954555165).

Almost surely, 2^13010232440 is an apocalyptic number.

13010232440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13010232440 is an abundant number, since it is smaller than the sum of its proper divisors (17535532840).

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

13010232440 is a wasteful number, since it uses less digits than its factorization.

13010232440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14141591 (or 14141587 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13010232440 its reverse (4423201031), we get a palindrome (17433433471).

The spelling of 13010232440 in words is "thirteen billion, ten million, two hundred thirty-two thousand, four hundred forty".