6342878740 has 24 divisors (see below), whose sum is σ = 14530959072. Its totient is φ = 2306501280.

The previous prime is 6342878723. The next prime is 6342878743. The reversal of 6342878740 is 478782436.

It is a super-2 number, since 2×6342878740² = 80464221420687975200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6342878743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14415414 + ... + 14415853.

It is an arithmetic number, because the mean of its divisors is an integer number (605456628).

Almost surely, 2^6342878740 is an apocalyptic number.

It is an amenable number.

6342878740 is an abundant number, since it is smaller than the sum of its proper divisors (8188080332).

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

6342878740 is a wasteful number, since it uses less digits than its factorization.

6342878740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28831287 (or 28831285 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 49.

The square root of 6342878740 is about 79642.1919587853. The cubic root of 6342878740 is about 1851.0954058109.

The spelling of 6342878740 in words is "six billion, three hundred forty-two million, eight hundred seventy-eight thousand, seven hundred forty".