7040991892 has 24 divisors (see below), whose sum is σ = 13450701600. Its totient is φ = 3198353760.

The previous prime is 7040991857. The next prime is 7040991913. The reversal of 7040991892 is 2981990407.

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, 16503 + ... + 119809.

It is an arithmetic number, because the mean of its divisors is an integer number (560445900).

Almost surely, 2^7040991892 is an apocalyptic number.

It is an amenable number.

7040991892 is a deficient number, since it is larger than the sum of its proper divisors (6409709708).

7040991892 is a wasteful number, since it uses less digits than its factorization.

7040991892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104871 (or 104869 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 7040991892 is about 83910.6184698933. The cubic root of 7040991892 is about 1916.6579494130.

The spelling of 7040991892 in words is "seven billion, forty million, nine hundred ninety-one thousand, eight hundred ninety-two".