4472428140 has 72 divisors (see below), whose sum is σ = 14034187440. Its totient is φ = 1151520384.

The previous prime is 4472428127. The next prime is 4472428141. The reversal of 4472428140 is 418242744.

4472428140 is a `hidden beast` number, since 4 + 472 + 42 + 8 + 140 = 666.

It is a super-2 number, since 2×4472428140² = 40005226934927719200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4472428095 and 4472428104.

It is not an unprimeable number, because it can be changed into a prime (4472428141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 423174 + ... + 433613.

It is an arithmetic number, because the mean of its divisors is an integer number (194919270).

Almost surely, 2^4472428140 is an apocalyptic number.

It is an amenable number.

4472428140 is an abundant number, since it is smaller than the sum of its proper divisors (9561759300).

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

4472428140 is a wasteful number, since it uses less digits than its factorization.

4472428140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856831 (or 856826 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 36.

The square root of 4472428140 is about 66876.2150543824. The cubic root of 4472428140 is about 1647.5848522855.

The spelling of 4472428140 in words is "four billion, four hundred seventy-two million, four hundred twenty-eight thousand, one hundred forty".