40121241204 has 96 divisors (see below), whose sum is σ = 111863203200. Its totient is φ = 11048181760.

The previous prime is 40121241191. The next prime is 40121241229. The reversal of 40121241204 is 40214212104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243189 + ... + 373340.

It is an arithmetic number, because the mean of its divisors is an integer number (1165241700).

Almost surely, 2^40121241204 is an apocalyptic number.

40121241204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40121241204 is an abundant number, since it is smaller than the sum of its proper divisors (71741961996).

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

40121241204 is a wasteful number, since it uses less digits than its factorization.

40121241204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616593 (or 616591 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 40121241204 its reverse (40214212104), we get a palindrome (80335453308).

The spelling of 40121241204 in words is "forty billion, one hundred twenty-one million, two hundred forty-one thousand, two hundred four".