40121702430541 has 16 divisors (see below), whose sum is σ = 43832945753856. Its totient is φ = 36577151870976.

The previous prime is 40121702430437. The next prime is 40121702430569. The reversal of 40121702430541 is 14503420712104.

It is a cyclic number.

It is not a de Polignac number, because 40121702430541 - 2³³ = 40113112495949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40121702430497 and 40121702430506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40121702430941) 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, 258762171 + ... + 258917176.

It is an arithmetic number, because the mean of its divisors is an integer number (2739559109616).

Almost surely, 2^{40121702430541} is an apocalyptic number.

It is an amenable number.

40121702430541 is a deficient number, since it is larger than the sum of its proper divisors (3711243323315).

40121702430541 is a wasteful number, since it uses less digits than its factorization.

40121702430541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517679508.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 40121702430541 in words is "forty trillion, one hundred twenty-one billion, seven hundred two million, four hundred thirty thousand, five hundred forty-one".