2017432140 has 48 divisors (see below), whose sum is σ = 5650874880. Its totient is φ = 537785280.

The previous prime is 2017432139. The next prime is 2017432171. The reversal of 2017432140 is 412347102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2017432140.

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, 242571 + ... + 250749.

It is an arithmetic number, because the mean of its divisors is an integer number (117726560).

Almost surely, 2^2017432140 is an apocalyptic number.

2017432140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2017432140 is an abundant number, since it is smaller than the sum of its proper divisors (3633442740).

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

2017432140 is a wasteful number, since it uses less digits than its factorization.

2017432140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12302 (or 12300 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2017432140 is about 44915.8339564123. The cubic root of 2017432140 is about 1263.5709860011.

Adding to 2017432140 its reverse (412347102), we get a palindrome (2429779242).

The spelling of 2017432140 in words is "two billion, seventeen million, four hundred thirty-two thousand, one hundred forty".