5671323440 has 40 divisors (see below), whose sum is σ = 13759128288. Its totient is φ = 2169896960.

The previous prime is 5671323431. The next prime is 5671323457. The reversal of 5671323440 is 443231765.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×5671323440² = 64327819122186867200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5671323440.

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, 1539281 + ... + 1542960.

Almost surely, 2^5671323440 is an apocalyptic number.

It is an amenable number.

5671323440 is an abundant number, since it is smaller than the sum of its proper divisors (8087804848).

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

5671323440 is a wasteful number, since it uses less digits than its factorization.

5671323440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082277 (or 3082271 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 5671323440 is about 75308.1897272800. The cubic root of 5671323440 is about 1783.3153126739.

The spelling of 5671323440 in words is "five billion, six hundred seventy-one million, three hundred twenty-three thousand, four hundred forty".