6400120414 has 4 divisors (see below), whose sum is σ = 9600180624. Its totient is φ = 3200060206.

The previous prime is 6400120393. The next prime is 6400120421. The reversal of 6400120414 is 4140210046.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600030102 + ... + 1600030105.

It is an arithmetic number, because the mean of its divisors is an integer number (2400045156).

Almost surely, 2^6400120414 is an apocalyptic number.

6400120414 is a deficient number, since it is larger than the sum of its proper divisors (3200060210).

6400120414 is a wasteful number, since it uses less digits than its factorization.

6400120414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200060209.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 6400120414 is about 80000.7525839601. The cubic root of 6400120414 is about 1856.6471773779.

The spelling of 6400120414 in words is "six billion, four hundred million, one hundred twenty thousand, four hundred fourteen".