40462331363261 has 2 divisors, whose sum is σ = 40462331363262. Its totient is φ = 40462331363260.

The previous prime is 40462331363249. The next prime is 40462331363329. The reversal of 40462331363261 is 16236313326404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29818359863161 + 10643971500100 = 5460619^2 + 3262510^2 .

It is a cyclic number.

It is not a de Polignac number, because 40462331363261 - 2²² = 40462327168957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40462331363231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20231165681630 + 20231165681631.

It is an arithmetic number, because the mean of its divisors is an integer number (20231165681631).

Almost surely, 2^{40462331363261} is an apocalyptic number.

It is an amenable number.

40462331363261 is a deficient number, since it is larger than the sum of its proper divisors (1).

40462331363261 is an equidigital number, since it uses as much as digits as its factorization.

40462331363261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 44.

Adding to 40462331363261 its reverse (16236313326404), we get a palindrome (56698644689665).

The spelling of 40462331363261 in words is "forty trillion, four hundred sixty-two billion, three hundred thirty-one million, three hundred sixty-three thousand, two hundred sixty-one".