6401260448 has 48 divisors (see below), whose sum is σ = 13876730784. Its totient is φ = 2882453760.

The previous prime is 6401260391. The next prime is 6401260471. The reversal of 6401260448 is 8440621046.

It is a super-2 number, since 2×6401260448² = 81952270646258321408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47315 + ... + 122642.

It is an arithmetic number, because the mean of its divisors is an integer number (289098558).

Almost surely, 2^6401260448 is an apocalyptic number.

It is an amenable number.

6401260448 is an abundant number, since it is smaller than the sum of its proper divisors (7475470336).

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

6401260448 is a wasteful number, since it uses less digits than its factorization.

6401260448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170085 (or 170077 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 6401260448 is about 80007.8774121649. The cubic root of 6401260448 is about 1856.7574104728.

The spelling of 6401260448 in words is "six billion, four hundred one million, two hundred sixty thousand, four hundred forty-eight".