6400148924 has 24 divisors (see below), whose sum is σ = 12207150480. Its totient is φ = 2918323584.

The previous prime is 6400148891. The next prime is 6400148947. The reversal of 6400148924 is 4298410046.

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, 737129 + ... + 745760.

It is an arithmetic number, because the mean of its divisors is an integer number (508631270).

Almost surely, 2^6400148924 is an apocalyptic number.

It is an amenable number.

6400148924 is a deficient number, since it is larger than the sum of its proper divisors (5807001556).

6400148924 is a wasteful number, since it uses less digits than its factorization.

6400148924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482989 (or 1482987 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 6400148924 is about 80000.9307695854. The cubic root of 6400148924 is about 1856.6499342496.

The spelling of 6400148924 in words is "six billion, four hundred million, one hundred forty-eight thousand, nine hundred twenty-four".