40102312112 has 40 divisors (see below), whose sum is σ = 82282537152. Its totient is φ = 18868505600.

The previous prime is 40102312097. The next prime is 40102312199. The reversal of 40102312112 is 21121320104.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 2696537 + ... + 2711367.

Almost surely, 2^40102312112 is an apocalyptic number.

It is an amenable number.

40102312112 is an abundant number, since it is smaller than the sum of its proper divisors (42180225040).

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

40102312112 is a wasteful number, since it uses less digits than its factorization.

40102312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24797 (or 24791 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 40102312112 its reverse (21121320104), we get a palindrome (61223632216).

The spelling of 40102312112 in words is "forty billion, one hundred two million, three hundred twelve thousand, one hundred twelve".