671096040 has 32 divisors (see below), whose sum is σ = 2013288480. Its totient is φ = 178958912.

The previous prime is 671096021. The next prime is 671096099. The reversal of 671096040 is 40690176.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 671095992 and 671096010.

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, 2796114 + ... + 2796353.

It is an arithmetic number, because the mean of its divisors is an integer number (62915265).

Almost surely, 2^671096040 is an apocalyptic number.

671096040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

671096040 is an abundant number, since it is smaller than the sum of its proper divisors (1342192440).

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

671096040 is a wasteful number, since it uses less digits than its factorization.

671096040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592481 (or 5592477 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 671096040 is about 25905.5214191878. The cubic root of 671096040 is about 875.5109027200.

The spelling of 671096040 in words is "six hundred seventy-one million, ninety-six thousand, forty".