4028934780 has 72 divisors (see below), whose sum is σ = 13161194592. Its totient is φ = 991737216.

The previous prime is 4028934779. The next prime is 4028934821. The reversal of 4028934780 is 874398204.

It is a super-2 number, since 2×4028934780² = 32464630922987296800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 858544 + ... + 863223.

Almost surely, 2^4028934780 is an apocalyptic number.

It is an amenable number.

4028934780 is an abundant number, since it is smaller than the sum of its proper divisors (9132259812).

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

4028934780 is a wasteful number, since it uses less digits than its factorization.

4028934780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721795 (or 1721790 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 4028934780 is about 63473.8905377636. The cubic root of 4028934780 is about 1591.2194513538.

The spelling of 4028934780 in words is "four billion, twenty-eight million, nine hundred thirty-four thousand, seven hundred eighty".