420744332 has 6 divisors (see below), whose sum is σ = 736302588. Its totient is φ = 210372164.

The previous prime is 420744299. The next prime is 420744371. The reversal of 420744332 is 233447024.

It is a junction number, because it is equal to n+sod(n) for n = 420744295 and 420744304.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52593038 + ... + 52593045.

It is an arithmetic number, because the mean of its divisors is an integer number (122717098).

Almost surely, 2^420744332 is an apocalyptic number.

It is an amenable number.

420744332 is a deficient number, since it is larger than the sum of its proper divisors (315558256).

420744332 is a wasteful number, since it uses less digits than its factorization.

420744332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105186087 (or 105186085 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 420744332 is about 20512.0533345640. The cubic root of 420744332 is about 749.3293750468.

The spelling of 420744332 in words is "four hundred twenty million, seven hundred forty-four thousand, three hundred thirty-two".