418332642 has 32 divisors (see below), whose sum is σ = 1029743232. Its totient is φ = 110329344.

The previous prime is 418332641. The next prime is 418332643. The reversal of 418332642 is 246233814.

It is an interprime number because it is at equal distance from previous prime (418332641) and next prime (418332643).

It is not an unprimeable number, because it can be changed into a prime (418332641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382543 + ... + 383634.

It is an arithmetic number, because the mean of its divisors is an integer number (32179476).

Almost surely, 2^418332642 is an apocalyptic number.

418332642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

418332642 is an abundant number, since it is smaller than the sum of its proper divisors (611410590).

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

418332642 is a wasteful number, since it uses less digits than its factorization.

418332642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766202.

The product of its digits is 27648, while the sum is 33.

The square root of 418332642 is about 20453.1817084775. The cubic root of 418332642 is about 747.8949219453.

The spelling of 418332642 in words is "four hundred eighteen million, three hundred thirty-two thousand, six hundred forty-two".