40240232215212 has 48 divisors (see below), whose sum is σ = 94946781893600. Its totient is φ = 13263243098112.

The previous prime is 40240232215181. The next prime is 40240232215259. The reversal of 40240232215212 is 21251223204204.

It is a self number, because there is not a number n which added to its sum of digits gives 40240232215212.

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, 14174587 + ... + 16774962.

Almost surely, 2^{40240232215212} is an apocalyptic number.

It is an amenable number.

40240232215212 is an abundant number, since it is smaller than the sum of its proper divisors (54706549678388).

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

40240232215212 is a wasteful number, since it uses less digits than its factorization.

40240232215212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30950770 (or 30950768 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 40240232215212 its reverse (21251223204204), we get a palindrome (61491455419416).

The spelling of 40240232215212 in words is "forty trillion, two hundred forty billion, two hundred thirty-two million, two hundred fifteen thousand, two hundred twelve".