4178641340 has 12 divisors (see below), whose sum is σ = 8775146856. Its totient is φ = 1671456528.

The previous prime is 4178641333. The next prime is 4178641409. The reversal of 4178641340 is 431468714.

It is a happy number.

It is a super-2 number, since 2×4178641340² = 34922086896713991200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4178641294 and 4178641303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104466014 + ... + 104466053.

It is an arithmetic number, because the mean of its divisors is an integer number (731262238).

Almost surely, 2^4178641340 is an apocalyptic number.

It is an amenable number.

4178641340 is an abundant number, since it is smaller than the sum of its proper divisors (4596505516).

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

4178641340 is a wasteful number, since it uses less digits than its factorization.

4178641340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208932076 (or 208932074 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 4178641340 is about 64642.4113102226. The cubic root of 4178641340 is about 1610.6890226226.

The spelling of 4178641340 in words is "four billion, one hundred seventy-eight million, six hundred forty-one thousand, three hundred forty".