6402354546 has 64 divisors (see below), whose sum is σ = 15252996096. Its totient is φ = 1753012800.

The previous prime is 6402354529. The next prime is 6402354559. The reversal of 6402354546 is 6454532046.

It is a super-2 number, since 2×6402354546² = 81980287465373732232, 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 31 ways as a sum of consecutive naturals, for example, 110236 + ... + 157976.

It is an arithmetic number, because the mean of its divisors is an integer number (238328064).

Almost surely, 2^6402354546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6402354546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7626498048).

6402354546 is an abundant number, since it is smaller than the sum of its proper divisors (8850641550).

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

6402354546 is a wasteful number, since it uses less digits than its factorization.

6402354546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47887.

The product of its (nonzero) digits is 345600, while the sum is 39.

The square root of 6402354546 is about 80014.7145592609. The cubic root of 6402354546 is about 1856.8631895798.

The spelling of 6402354546 in words is "six billion, four hundred two million, three hundred fifty-four thousand, five hundred forty-six".