32103140240 has 80 divisors (see below), whose sum is σ = 78611635200. Its totient is φ = 12158678016.

The previous prime is 32103140227. The next prime is 32103140263. The reversal of 32103140240 is 4204130123.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×32103140240² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3398564 + ... + 3407996.

It is an arithmetic number, because the mean of its divisors is an integer number (982645440).

Almost surely, 2^32103140240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32103140240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39305817600).

32103140240 is an abundant number, since it is smaller than the sum of its proper divisors (46508494960).

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

32103140240 is a wasteful number, since it uses less digits than its factorization.

32103140240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11704 (or 11698 counting only the distinct ones).

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

Adding to 32103140240 its reverse (4204130123), we get a palindrome (36307270363).

The spelling of 32103140240 in words is "thirty-two billion, one hundred three million, one hundred forty thousand, two hundred forty".