41531223540 has 24 divisors (see below), whose sum is σ = 116287426080. Its totient is φ = 11074992928.

The previous prime is 41531223509. The next prime is 41531223541. The reversal of 41531223540 is 4532213514.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 41531223498 and 41531223507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41531223541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346093470 + ... + 346093589.

It is an arithmetic number, because the mean of its divisors is an integer number (4845309420).

Almost surely, 2^41531223540 is an apocalyptic number.

It is an amenable number.

41531223540 is an abundant number, since it is smaller than the sum of its proper divisors (74756202540).

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

41531223540 is a wasteful number, since it uses less digits than its factorization.

41531223540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692187071 (or 692187069 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 41531223540 in words is "forty-one billion, five hundred thirty-one million, two hundred twenty-three thousand, five hundred forty".