2153640414 has 8 divisors (see below), whose sum is σ = 4307280840. Its totient is φ = 717880136.

The previous prime is 2153640413. The next prime is 2153640449. The reversal of 2153640414 is 4140463512.

It is a sphenic number, since it is the product of 3 distinct primes.

2153640414 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153640413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179470029 + ... + 179470040.

It is an arithmetic number, because the mean of its divisors is an integer number (538410105).

Almost surely, 2^2153640414 is an apocalyptic number.

2153640414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2153640414 is a wasteful number, since it uses less digits than its factorization.

2153640414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358940074.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2153640414 is about 46407.3314682066. The cubic root of 2153640414 is about 1291.3909268488.

The spelling of 2153640414 in words is "two billion, one hundred fifty-three million, six hundred forty thousand, four hundred fourteen".