2140415532 has 72 divisors (see below), whose sum is σ = 5850726336. Its totient is φ = 657206784.

The previous prime is 2140415521. The next prime is 2140415587. The reversal of 2140415532 is 2355140412.

2140415532 is a `hidden beast` number, since 214 + 0 + 415 + 5 + 32 = 666.

2140415532 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2140415496 and 2140415505.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8443 + ... + 65970.

It is an arithmetic number, because the mean of its divisors is an integer number (81260088).

Almost surely, 2^2140415532 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 2140415532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2925363168).

2140415532 is an abundant number, since it is smaller than the sum of its proper divisors (3710310804).

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

2140415532 is a wasteful number, since it uses less digits than its factorization.

2140415532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74487 (or 74482 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2140415532 is about 46264.6250606227. The cubic root of 2140415532 is about 1288.7421450794.

Adding to 2140415532 its reverse (2355140412), we get a palindrome (4495555944).

The spelling of 2140415532 in words is "two billion, one hundred forty million, four hundred fifteen thousand, five hundred thirty-two".