402273420 has 24 divisors (see below), whose sum is σ = 1126365744. Its totient is φ = 107272896.

The previous prime is 402273379. The next prime is 402273439. The reversal of 402273420 is 24372204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3352219 + ... + 3352338.

It is an arithmetic number, because the mean of its divisors is an integer number (46931906).

Almost surely, 2^402273420 is an apocalyptic number.

It is an amenable number.

402273420 is an abundant number, since it is smaller than the sum of its proper divisors (724092324).

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

402273420 is a wasteful number, since it uses less digits than its factorization.

402273420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704569 (or 6704567 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 402273420 is about 20056.7549718293. The cubic root of 402273420 is about 738.1995553214.

The spelling of 402273420 in words is "four hundred two million, two hundred seventy-three thousand, four hundred twenty".