420029942 has 8 divisors (see below), whose sum is σ = 630165096. Its totient is φ = 209974912.

The previous prime is 420029923. The next prime is 420029969. The reversal of 420029942 is 249920024.

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 = 420029899 and 420029908.

It is a congruent number.

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, 4523 + ... + 29334.

It is an arithmetic number, because the mean of its divisors is an integer number (78770637).

Almost surely, 2^420029942 is an apocalyptic number.

420029942 is a deficient number, since it is larger than the sum of its proper divisors (210135154).

420029942 is a wasteful number, since it uses less digits than its factorization.

420029942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40062.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 420029942 is about 20494.6320288997. The cubic root of 420029942 is about 748.9050344749.

Adding to 420029942 its reverse (249920024), we get a palindrome (669949966).

The spelling of 420029942 in words is "four hundred twenty million, twenty-nine thousand, nine hundred forty-two".