418252642 has 8 divisors (see below), whose sum is σ = 628030656. Its totient is φ = 208909092.

The previous prime is 418252619. The next prime is 418252657. The reversal of 418252642 is 246252814.

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

It is a junction number, because it is equal to n+sod(n) for n = 418252598 and 418252607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106198 + ... + 110065.

It is an arithmetic number, because the mean of its divisors is an integer number (78503832).

Almost surely, 2^418252642 is an apocalyptic number.

418252642 is a deficient number, since it is larger than the sum of its proper divisors (209778014).

418252642 is a wasteful number, since it uses less digits than its factorization.

418252642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217232.

The product of its digits is 30720, while the sum is 34.

The square root of 418252642 is about 20451.2259290244. The cubic root of 418252642 is about 747.8472442505.

The spelling of 418252642 in words is "four hundred eighteen million, two hundred fifty-two thousand, six hundred forty-two".