6403401254 has 16 divisors (see below), whose sum is σ = 10178697168. Its totient is φ = 3010820352.

The previous prime is 6403401253. The next prime is 6403401269. The reversal of 6403401254 is 4521043046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403401253) 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 7 ways as a sum of consecutive naturals, for example, 38372 + ... + 119495.

It is an arithmetic number, because the mean of its divisors is an integer number (636168573).

Almost surely, 2^6403401254 is an apocalyptic number.

6403401254 is a deficient number, since it is larger than the sum of its proper divisors (3775295914).

6403401254 is a wasteful number, since it uses less digits than its factorization.

6403401254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159079.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 6403401254 is about 80021.2550139024. The cubic root of 6403401254 is about 1856.9643756686.

The spelling of 6403401254 in words is "six billion, four hundred three million, four hundred one thousand, two hundred fifty-four".