41220140691744 has 432 divisors, whose sum is σ = 141532134595488. Its totient is φ = 11766843260928.

The previous prime is 41220140691689. The next prime is 41220140691781. The reversal of 41220140691744 is 44719604102214.

41220140691744 is a `hidden beast` number, since 4 + 1 + 220 + 1 + 406 + 9 + 17 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a self number, because there is not a number n which added to its sum of digits gives 41220140691744.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 439273759 + ... + 439367585.

It is an arithmetic number, because the mean of its divisors is an integer number (327620681934).

Almost surely, 2^{41220140691744} 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 41220140691744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70766067297744).

41220140691744 is an abundant number, since it is smaller than the sum of its proper divisors (100311993903744).

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

41220140691744 is a wasteful number, since it uses less digits than its factorization.

41220140691744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95019 (or 94992 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

Adding to 41220140691744 its reverse (44719604102214), we get a palindrome (85939744793958).

The spelling of 41220140691744 in words is "forty-one trillion, two hundred twenty billion, one hundred forty million, six hundred ninety-one thousand, seven hundred forty-four".