40418509227540 has 192 divisors, whose sum is σ = 114251254161408. Its totient is φ = 10675926144000.

The previous prime is 40418509227527. The next prime is 40418509227589. The reversal of 40418509227540 is 4572290581404.

It is a happy number.

It is a super-2 number, since 2×40418509227540² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 4983168085 + ... + 4983176195.

It is an arithmetic number, because the mean of its divisors is an integer number (595058615424).

Almost surely, 2^{40418509227540} 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 40418509227540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57125627080704).

40418509227540 is an abundant number, since it is smaller than the sum of its proper divisors (73832744933868).

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

40418509227540 is a wasteful number, since it uses less digits than its factorization.

40418509227540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9798 (or 9796 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 40418509227540 in words is "forty trillion, four hundred eighteen billion, five hundred nine million, two hundred twenty-seven thousand, five hundred forty".