32130103440 has 80 divisors (see below), whose sum is σ = 100803423168. Its totient is φ = 8464793088.

The previous prime is 32130103409. The next prime is 32130103459. The reversal of 32130103440 is 4430103123.

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

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, 786559 + ... + 826398.

Almost surely, 2^32130103440 is an apocalyptic number.

32130103440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32130103440 is an abundant number, since it is smaller than the sum of its proper divisors (68673319728).

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

32130103440 is a wasteful number, since it uses less digits than its factorization.

32130103440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613056 (or 1613050 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 32130103440 its reverse (4430103123), we get a palindrome (36560206563).

The spelling of 32130103440 in words is "thirty-two billion, one hundred thirty million, one hundred three thousand, four hundred forty".