6529490140 has 24 divisors (see below), whose sum is σ = 13781541312. Its totient is φ = 2598536640.

The previous prime is 6529490119. The next prime is 6529490153. The reversal of 6529490140 is 410949256.

It is a junction number, because it is equal to n+sod(n) for n = 6529490093 and 6529490102.

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, 824676 + ... + 832555.

It is an arithmetic number, because the mean of its divisors is an integer number (574230888).

Almost surely, 2^6529490140 is an apocalyptic number.

It is an amenable number.

6529490140 is an abundant number, since it is smaller than the sum of its proper divisors (7252051172).

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

6529490140 is a wasteful number, since it uses less digits than its factorization.

6529490140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657437 (or 1657435 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 6529490140 is about 80805.2605960775. The cubic root of 6529490140 is about 1869.0736868942.

The spelling of 6529490140 in words is "six billion, five hundred twenty-nine million, four hundred ninety thousand, one hundred forty".