404220268486 has 8 divisors (see below), whose sum is σ = 632692594224. Its totient is φ = 193322737080.

The previous prime is 404220268483. The next prime is 404220268489. The reversal of 404220268486 is 684862022404.

It is an interprime number because it is at equal distance from previous prime (404220268483) and next prime (404220268489).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 8787397141 = 404220268486 / (4 + 0 + 4 + 2 + 2 + 0 + 2 + 6 + 8 + 4 + 8 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404220268481) 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, 4393698525 + ... + 4393698616.

It is an arithmetic number, because the mean of its divisors is an integer number (79086574278).

Almost surely, 2^404220268486 is an apocalyptic number.

404220268486 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

404220268486 is a deficient number, since it is larger than the sum of its proper divisors (228472325738).

404220268486 is a wasteful number, since it uses less digits than its factorization.

404220268486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8787397166.

The product of its (nonzero) digits is 1179648, while the sum is 46.

It can be divided in two parts, 4042 and 20268486, that added together give a triangular number (20272528 = T₆₃₆₇).

The spelling of 404220268486 in words is "four hundred four billion, two hundred twenty million, two hundred sixty-eight thousand, four hundred eighty-six".