2140342432 has 24 divisors (see below), whose sum is σ = 4461670836. Its totient is φ = 1007219712.

The previous prime is 2140342423. The next prime is 2140342471. The reversal of 2140342432 is 2342430412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2093611536 + 46730896 = 45756^2 + 6836^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2140342397 and 2140342406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1966683 + ... + 1967770.

Almost surely, 2^2140342432 is an apocalyptic number.

It is an amenable number.

2140342432 is an abundant number, since it is smaller than the sum of its proper divisors (2321328404).

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

2140342432 is a wasteful number, since it uses less digits than its factorization.

2140342432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934480 (or 3934472 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2140342432 is about 46263.8350334254. The cubic root of 2140342432 is about 1288.7274737657.

Adding to 2140342432 its reverse (2342430412), we get a palindrome (4482772844).

The spelling of 2140342432 in words is "two billion, one hundred forty million, three hundred forty-two thousand, four hundred thirty-two".