40725770679 has 32 divisors (see below), whose sum is σ = 65861107200. Its totient is φ = 24666655680.

The previous prime is 40725770671. The next prime is 40725770693. The reversal of 40725770679 is 97607752704.

40725770679 is a `hidden beast` number, since 4 + 0 + 7 + 2 + 577 + 0 + 67 + 9 = 666.

It is not a de Polignac number, because 40725770679 - 2³ = 40725770671 is a prime.

It is a super-2 number, since 2×40725770679² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40725770671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435262 + ... + 520484.

It is an arithmetic number, because the mean of its divisors is an integer number (2058159600).

Almost surely, 2^40725770679 is an apocalyptic number.

40725770679 is a deficient number, since it is larger than the sum of its proper divisors (25135336521).

40725770679 is a wasteful number, since it uses less digits than its factorization.

40725770679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86852 (or 86846 counting only the distinct ones).

The product of its (nonzero) digits is 5186160, while the sum is 54.

The spelling of 40725770679 in words is "forty billion, seven hundred twenty-five million, seven hundred seventy thousand, six hundred seventy-nine".