420211140 has 48 divisors (see below), whose sum is σ = 1177569792. Its totient is φ = 111963136.

The previous prime is 420211063. The next prime is 420211153. The reversal of 420211140 is 41112024.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99757 + ... + 103883.

It is an arithmetic number, because the mean of its divisors is an integer number (24532704).

Almost surely, 2^420211140 is an apocalyptic number.

It is an amenable number.

420211140 is an abundant number, since it is smaller than the sum of its proper divisors (757358652).

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

420211140 is a wasteful number, since it uses less digits than its factorization.

420211140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836 (or 5834 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 420211140 is about 20499.0521732104. The cubic root of 420211140 is about 749.0127098033.

Adding to 420211140 its reverse (41112024), we get a palindrome (461323164).

The spelling of 420211140 in words is "four hundred twenty million, two hundred eleven thousand, one hundred forty".