4428142461 has 12 divisors (see below), whose sum is σ = 6397602588. Its totient is φ = 2951450304.

The previous prime is 4428142457. The next prime is 4428142469. The reversal of 4428142461 is 1642418244.

It can be written as a sum of positive squares in 2 ways, for example, as 3298779225 + 1129363236 = 57435^2 + 33606^2 .

It is not a de Polignac number, because 4428142461 - 2² = 4428142457 is a prime.

It is a super-2 number, since 2×4428142461² = 39216891309822273042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4428142469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8190 + ... + 94463.

It is an arithmetic number, because the mean of its divisors is an integer number (533133549).

Almost surely, 2^4428142461 is an apocalyptic number.

It is an amenable number.

4428142461 is a deficient number, since it is larger than the sum of its proper divisors (1969460127).

4428142461 is a wasteful number, since it uses less digits than its factorization.

4428142461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107452 (or 107449 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 4428142461 is about 66544.2894694954. The cubic root of 4428142461 is about 1642.1287126685.

The spelling of 4428142461 in words is "four billion, four hundred twenty-eight million, one hundred forty-two thousand, four hundred sixty-one".