420419140 has 24 divisors (see below), whose sum is σ = 886011840. Its totient is φ = 167571168.

The previous prime is 420419113. The next prime is 420419147. The reversal of 420419140 is 41914024.

It is not an unprimeable number, because it can be changed into a prime (420419147) 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, 31480 + ... + 42799.

It is an arithmetic number, because the mean of its divisors is an integer number (36917160).

Almost surely, 2^420419140 is an apocalyptic number.

It is an amenable number.

420419140 is an abundant number, since it is smaller than the sum of its proper divisors (465592700).

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

420419140 is a wasteful number, since it uses less digits than its factorization.

420419140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74571 (or 74569 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 420419140 is about 20504.1249508483. The cubic root of 420419140 is about 749.1362738328.

The spelling of 420419140 in words is "four hundred twenty million, four hundred nineteen thousand, one hundred forty".