420353740 has 24 divisors (see below), whose sum is σ = 883883952. Its totient is φ = 167924160.

The previous prime is 420353737. The next prime is 420353743. The reversal of 420353740 is 47353024.

It is an interprime number because it is at equal distance from previous prime (420353737) and next prime (420353743).

It is a junction number, because it is equal to n+sod(n) for n = 420353699 and 420353708.

It is not an unprimeable number, because it can be changed into a prime (420353743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2755 + ... + 29125.

It is an arithmetic number, because the mean of its divisors is an integer number (36828498).

Almost surely, 2^420353740 is an apocalyptic number.

It is an amenable number.

420353740 is an abundant number, since it is smaller than the sum of its proper divisors (463530212).

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

420353740 is a wasteful number, since it uses less digits than its factorization.

420353740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27177 (or 27175 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 420353740 is about 20502.5300877721. The cubic root of 420353740 is about 749.0974268439.

The spelling of 420353740 in words is "four hundred twenty million, three hundred fifty-three thousand, seven hundred forty".