41597121540 has 192 divisors, whose sum is σ = 128893363200. Its totient is φ = 9958256640.

The previous prime is 41597121481. The next prime is 41597121593. The reversal of 41597121540 is 4512179514.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11159157 + ... + 11162883.

It is an arithmetic number, because the mean of its divisors is an integer number (671319600).

Almost surely, 2^41597121540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41597121540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64446681600).

41597121540 is an abundant number, since it is smaller than the sum of its proper divisors (87296241660).

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

41597121540 is a wasteful number, since it uses less digits than its factorization.

41597121540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142 (or 4140 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The spelling of 41597121540 in words is "forty-one billion, five hundred ninety-seven million, one hundred twenty-one thousand, five hundred forty".