40719419225 has 6 divisors (see below), whose sum is σ = 50492079870. Its totient is φ = 32575535360.

The previous prime is 40719419189. The next prime is 40719419249. The reversal of 40719419225 is 52291491704.

It can be written as a sum of positive squares in 3 ways, for example, as 73633561 + 40645785664 = 8581^2 + 201608^2 .

It is not a de Polignac number, because 40719419225 - 2¹⁸ = 40719157081 is a prime.

It is a super-2 number, since 2×40719419225² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 814388360 + ... + 814388409.

It is an arithmetic number, because the mean of its divisors is an integer number (8415346645).

Almost surely, 2^40719419225 is an apocalyptic number.

It is an amenable number.

40719419225 is a deficient number, since it is larger than the sum of its proper divisors (9772660645).

40719419225 is a wasteful number, since it uses less digits than its factorization.

40719419225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628776779 (or 1628776774 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 40719419225 in words is "forty billion, seven hundred nineteen million, four hundred nineteen thousand, two hundred twenty-five".