40925409679 has 16 divisors (see below), whose sum is σ = 51336933120. Its totient is φ = 31694276160.

The previous prime is 40925409677. The next prime is 40925409683. The reversal of 40925409679 is 97690452904.

It is a cyclic number.

It is not a de Polignac number, because 40925409679 - 2¹ = 40925409677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40925409677) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1617814 + ... + 1642915.

It is an arithmetic number, because the mean of its divisors is an integer number (3208558320).

Almost surely, 2^40925409679 is an apocalyptic number.

40925409679 is a deficient number, since it is larger than the sum of its proper divisors (10411523441).

40925409679 is a wasteful number, since it uses less digits than its factorization.

40925409679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260910.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 40925409679 in words is "forty billion, nine hundred twenty-five million, four hundred nine thousand, six hundred seventy-nine".