40421141150977 has 2 divisors, whose sum is σ = 40421141150978. Its totient is φ = 40421141150976.

The previous prime is 40421141150959. The next prime is 40421141151037. The reversal of 40421141150977 is 77905114112404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31304461411521 + 9116679739456 = 5595039^2 + 3019384^2 .

It is a cyclic number.

It is not a de Polignac number, because 40421141150977 - 2³¹ = 40418993667329 is a prime.

It is not a weakly prime, because it can be changed into another prime (40421141153977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20210570575488 + 20210570575489.

It is an arithmetic number, because the mean of its divisors is an integer number (20210570575489).

Almost surely, 2^{40421141150977} is an apocalyptic number.

It is an amenable number.

40421141150977 is a deficient number, since it is larger than the sum of its proper divisors (1).

40421141150977 is an equidigital number, since it uses as much as digits as its factorization.

40421141150977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 40421141150977 in words is "forty trillion, four hundred twenty-one billion, one hundred forty-one million, one hundred fifty thousand, nine hundred seventy-seven".