40121012104 has 64 divisors (see below), whose sum is σ = 82904472000. Its totient is φ = 18128113920.

The previous prime is 40121012083. The next prime is 40121012131.

It is a happy number.

40121012104 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×40121012104² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311034 + ... + 420694.

It is an arithmetic number, because the mean of its divisors is an integer number (1295382375).

Almost surely, 2^40121012104 is an apocalyptic number.

It is an amenable number.

40121012104 is an abundant number, since it is smaller than the sum of its proper divisors (42783459896).

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

40121012104 is a wasteful number, since it uses less digits than its factorization.

40121012104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109798 (or 109794 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 401210 and 12104, that added together give a palindrome (413314).

The spelling of 40121012104 in words is "forty billion, one hundred twenty-one million, twelve thousand, one hundred four".