4078172132 has 48 divisors (see below), whose sum is σ = 7398724032. Its totient is φ = 1965874560.

The previous prime is 4078172101. The next prime is 4078172201. The reversal of 4078172132 is 2312718704.

It is a junction number, because it is equal to n+sod(n) for n = 4078172092 and 4078172101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3993782 + ... + 3994802.

It is an arithmetic number, because the mean of its divisors is an integer number (154140084).

Almost surely, 2^4078172132 is an apocalyptic number.

It is an amenable number.

4078172132 is a deficient number, since it is larger than the sum of its proper divisors (3320551900).

4078172132 is a wasteful number, since it uses less digits than its factorization.

4078172132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 4078172132 is about 63860.5678960029. The cubic root of 4078172132 is about 1597.6752869750.

The spelling of 4078172132 in words is "four billion, seventy-eight million, one hundred seventy-two thousand, one hundred thirty-two".