40420411212 has 24 divisors (see below), whose sum is σ = 95860430512. Its totient is φ = 13252593600.

The previous prime is 40420411183. The next prime is 40420411219. The reversal of 40420411212 is 21211402404.

40420411212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40420411219) 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, 27608839 + ... + 27610302.

Almost surely, 2^40420411212 is an apocalyptic number.

It is an amenable number.

40420411212 is an abundant number, since it is smaller than the sum of its proper divisors (55440019300).

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

40420411212 is a wasteful number, since it uses less digits than its factorization.

40420411212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55219209 (or 55219207 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 40420411212 its reverse (21211402404), we get a palindrome (61631813616).

It can be divided in two parts, 404204 and 11212, that added together give a triangular number (415416 = T₉₁₁).

The spelling of 40420411212 in words is "forty billion, four hundred twenty million, four hundred eleven thousand, two hundred twelve".