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40452278321731 is a prime number
BaseRepresentation
bin10010011001010100001111…
…01011100000001001000011
312022020012101211101021210111
421030222013223200021003
520300232231222243411
6222011304202212151
711343403111252633
oct1114520753401103
9168205354337714
1040452278321731
1111986795584341
124653b0a1b4057
13197583099a693
149dbc877d66c3
154a23caee8721
hex24ca87ae0243

40452278321731 has 2 divisors, whose sum is σ = 40452278321732. Its totient is φ = 40452278321730.

The previous prime is 40452278321641. The next prime is 40452278321803. The reversal of 40452278321731 is 13712387225404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40452278321731 - 27 = 40452278321603 is a prime.

It is a super-2 number, since 2×404522783217312 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40456278321731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20226139160865 + 20226139160866.

It is an arithmetic number, because the mean of its divisors is an integer number (20226139160866).

Almost surely, 240452278321731 is an apocalyptic number.

40452278321731 is a deficient number, since it is larger than the sum of its proper divisors (1).

40452278321731 is an equidigital number, since it uses as much as digits as its factorization.

40452278321731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 40452278321731 in words is "forty trillion, four hundred fifty-two billion, two hundred seventy-eight million, three hundred twenty-one thousand, seven hundred thirty-one".