40012214220 has 192 divisors, whose sum is σ = 143787571200. Its totient is φ = 9129323520.

The previous prime is 40012214213. The next prime is 40012214227. The reversal of 40012214220 is 2241221004.

40012214220 is a `hidden beast` number, since 400 + 1 + 221 + 42 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (40012214213) and next prime (40012214227).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 40012214193 and 40012214202.

It is not an unprimeable number, because it can be changed into a prime (40012214227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97140 + ... + 299099.

It is an arithmetic number, because the mean of its divisors is an integer number (748893600).

Almost surely, 2^40012214220 is an apocalyptic number.

It is an amenable number.

40012214220 is an abundant number, since it is smaller than the sum of its proper divisors (103775356980).

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

40012214220 is a wasteful number, since it uses less digits than its factorization.

40012214220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396285 (or 396277 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 40012214220 its reverse (2241221004), we get a palindrome (42253435224).

The spelling of 40012214220 in words is "forty billion, twelve million, two hundred fourteen thousand, two hundred twenty".