6401423460 has 48 divisors (see below), whose sum is σ = 18542059200. Its totient is φ = 1648182144.

The previous prime is 6401423447. The next prime is 6401423467. The reversal of 6401423460 is 643241046.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (6401423467) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1837750 + ... + 1841229.

It is an arithmetic number, because the mean of its divisors is an integer number (386292900).

Almost surely, 2^6401423460 is an apocalyptic number.

6401423460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6401423460 is an abundant number, since it is smaller than the sum of its proper divisors (12140635740).

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

6401423460 is a wasteful number, since it uses less digits than its factorization.

6401423460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679020 (or 3679018 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 6401423460 is about 80008.8961303679. The cubic root of 6401423460 is about 1856.7731714922.

The spelling of 6401423460 in words is "six billion, four hundred one million, four hundred twenty-three thousand, four hundred sixty".