6988932140 has 48 divisors (see below), whose sum is σ = 15409548000. Its totient is φ = 2658872832.

The previous prime is 6988932133. The next prime is 6988932163. The reversal of 6988932140 is 412398896.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51065 + ... + 128784.

It is an arithmetic number, because the mean of its divisors is an integer number (321032250).

Almost surely, 2^6988932140 is an apocalyptic number.

It is an amenable number.

6988932140 is an abundant number, since it is smaller than the sum of its proper divisors (8420615860).

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

6988932140 is a wasteful number, since it uses less digits than its factorization.

6988932140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179954 (or 179952 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 6988932140 is about 83599.8333730397. The cubic root of 6988932140 is about 1911.9224578737.

The spelling of 6988932140 in words is "six billion, nine hundred eighty-eight million, nine hundred thirty-two thousand, one hundred forty".