4020460312 has 16 divisors (see below), whose sum is σ = 8223669000. Its totient is φ = 1827481920.

The previous prime is 4020460307. The next prime is 4020460319. The reversal of 4020460312 is 2130640204.

It is a happy number.

It is a super-2 number, since 2×4020460312² = 32328202240734274688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020460319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22843437 + ... + 22843612.

Almost surely, 2^4020460312 is an apocalyptic number.

It is an amenable number.

4020460312 is an abundant number, since it is smaller than the sum of its proper divisors (4203208688).

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

4020460312 is a wasteful number, since it uses less digits than its factorization.

4020460312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45687066 (or 45687062 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4020460312 is about 63407.0998548270. The cubic root of 4020460312 is about 1590.1030103482.

The spelling of 4020460312 in words is "four billion, twenty million, four hundred sixty thousand, three hundred twelve".