40211420 has 12 divisors (see below), whose sum is σ = 84444024. Its totient is φ = 16084560.

The previous prime is 40211419. The next prime is 40211459. The reversal of 40211420 is 2411204.

It is a junction number, because it is equal to n+sod(n) for n = 40211395 and 40211404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005266 + ... + 1005305.

It is an arithmetic number, because the mean of its divisors is an integer number (7037002).

Almost surely, 2^40211420 is an apocalyptic number.

It is an amenable number.

40211420 is an abundant number, since it is smaller than the sum of its proper divisors (44232604).

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

40211420 is a wasteful number, since it uses less digits than its factorization.

40211420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010580 (or 2010578 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 40211420 is about 6341.2475113340. The cubic root of 40211420 is about 342.5966693935.

Adding to 40211420 its reverse (2411204), we get a palindrome (42622624).

The spelling of 40211420 in words is "forty million, two hundred eleven thousand, four hundred twenty".