6673400040 has 32 divisors (see below), whose sum is σ = 20020200480. Its totient is φ = 1779573312.

The previous prime is 6673400017. The next prime is 6673400051. The reversal of 6673400040 is 400043766.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6673399980 and 6673400007.

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, 27805714 + ... + 27805953.

It is an arithmetic number, because the mean of its divisors is an integer number (625631265).

Almost surely, 2^6673400040 is an apocalyptic number.

6673400040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6673400040 is an abundant number, since it is smaller than the sum of its proper divisors (13346800440).

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

6673400040 is a wasteful number, since it uses less digits than its factorization.

6673400040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55611681 (or 55611677 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 6673400040 is about 81690.8810088372. The cubic root of 6673400040 is about 1882.7054792470.

The spelling of 6673400040 in words is "six billion, six hundred seventy-three million, four hundred thousand, forty".