40422153212 has 24 divisors (see below), whose sum is σ = 85099271040. Its totient is φ = 16412001840.

The previous prime is 40422153209. The next prime is 40422153221. The reversal of 40422153212 is 21235122404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37990214 + ... + 37991277.

It is an arithmetic number, because the mean of its divisors is an integer number (3545802960).

Almost surely, 2^40422153212 is an apocalyptic number.

It is an amenable number.

40422153212 is an abundant number, since it is smaller than the sum of its proper divisors (44677117828).

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

40422153212 is a wasteful number, since it uses less digits than its factorization.

40422153212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75981521 (or 75981519 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 40422153212 its reverse (21235122404), we get a palindrome (61657275616).

The spelling of 40422153212 in words is "forty billion, four hundred twenty-two million, one hundred fifty-three thousand, two hundred twelve".