420276342 has 16 divisors (see below), whose sum is σ = 841275072. Its totient is φ = 139971720.

The previous prime is 420276317. The next prime is 420276343. The reversal of 420276342 is 243672024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420276343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22384 + ... + 36627.

It is an arithmetic number, because the mean of its divisors is an integer number (52579692).

Almost surely, 2^420276342 is an apocalyptic number.

420276342 is an abundant number, since it is smaller than the sum of its proper divisors (420998730).

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

420276342 is a wasteful number, since it uses less digits than its factorization.

420276342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60203.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 420276342 is about 20500.6424777371. The cubic root of 420276342 is about 749.0514479489.

The spelling of 420276342 in words is "four hundred twenty million, two hundred seventy-six thousand, three hundred forty-two".