4078993272 has 32 divisors (see below), whose sum is σ = 10298454480. Its totient is φ = 1346201600.

The previous prime is 4078993271. The next prime is 4078993301. The reversal of 4078993272 is 2723998704.

It is a super-2 number, since 2×4078993272² = 33276372226042531968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4078993271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838953 + ... + 843800.

Almost surely, 2^4078993272 is an apocalyptic number.

It is an amenable number.

4078993272 is an abundant number, since it is smaller than the sum of its proper divisors (6219461208).

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

4078993272 is a wasteful number, since it uses less digits than its factorization.

4078993272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682863 (or 1682859 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 4078993272 is about 63866.9967354032. The cubic root of 4078993272 is about 1597.7825104239.

The spelling of 4078993272 in words is "four billion, seventy-eight million, nine hundred ninety-three thousand, two hundred seventy-two".