40120024412 has 48 divisors (see below), whose sum is σ = 80260871040. Its totient is φ = 17383652352.

The previous prime is 40120024387. The next prime is 40120024453. The reversal of 40120024412 is 21442002104.

It is a congruent number.

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, 293789 + ... + 408107.

It is an arithmetic number, because the mean of its divisors is an integer number (1672101480).

Almost surely, 2^40120024412 is an apocalyptic number.

It is an amenable number.

40120024412 is an abundant number, since it is smaller than the sum of its proper divisors (40140846628).

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

40120024412 is a wasteful number, since it uses less digits than its factorization.

40120024412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114750 (or 114748 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 40120024412 its reverse (21442002104), we get a palindrome (61562026516).

The spelling of 40120024412 in words is "forty billion, one hundred twenty million, twenty-four thousand, four hundred twelve".