40121121014 has 32 divisors (see below), whose sum is σ = 70478172576. Its totient is φ = 16957140480.

The previous prime is 40121121013. The next prime is 40121121049. The reversal of 40121121014 is 41012112104.

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

It is a junction number, because it is equal to n+sod(n) for n = 40121120983 and 40121121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40121121013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210292 + ... + 1242999.

It is an arithmetic number, because the mean of its divisors is an integer number (2202442893).

Almost surely, 2^40121121014 is an apocalyptic number.

40121121014 is a deficient number, since it is larger than the sum of its proper divisors (30357051562).

40121121014 is a wasteful number, since it uses less digits than its factorization.

40121121014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453360.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 40121121014 its reverse (41012112104), we get a palindrome (81133233118).

The spelling of 40121121014 in words is "forty billion, one hundred twenty-one million, one hundred twenty-one thousand, fourteen".