6401628574 has 16 divisors (see below), whose sum is σ = 10483603200. Its totient is φ = 2907550360.

The previous prime is 6401628553. The next prime is 6401628581. The reversal of 6401628574 is 4758261046.

It is a self number, because there is not a number n which added to its sum of digits gives 6401628574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85174 + ... + 141625.

It is an arithmetic number, because the mean of its divisors is an integer number (655225200).

Almost surely, 2^6401628574 is an apocalyptic number.

6401628574 is a deficient number, since it is larger than the sum of its proper divisors (4081974626).

6401628574 is a wasteful number, since it uses less digits than its factorization.

6401628574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228095.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 6401628574 is about 80010.1779400596. The cubic root of 6401628574 is about 1856.7930028160.

The spelling of 6401628574 in words is "six billion, four hundred one million, six hundred twenty-eight thousand, five hundred seventy-four".