40100241977 has 2 divisors, whose sum is σ = 40100241978. Its totient is φ = 40100241976.

The previous prime is 40100241949. The next prime is 40100242027. The reversal of 40100241977 is 77914200104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24729449536 + 15370792441 = 157256^2 + 123979^2 .

It is a cyclic number.

It is not a de Polignac number, because 40100241977 - 2²⁰ = 40099193401 is a prime.

It is a super-2 number, since 2×40100241977² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40100241947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20050120988 + 20050120989.

It is an arithmetic number, because the mean of its divisors is an integer number (20050120989).

Almost surely, 2^40100241977 is an apocalyptic number.

It is an amenable number.

40100241977 is a deficient number, since it is larger than the sum of its proper divisors (1).

40100241977 is an equidigital number, since it uses as much as digits as its factorization.

40100241977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 40100241977 in words is "forty billion, one hundred million, two hundred forty-one thousand, nine hundred seventy-seven".