40689461097 has 12 divisors (see below), whose sum is σ = 59769830640. Its totient is φ = 26666539128.

The previous prime is 40689461083. The next prime is 40689461101. The reversal of 40689461097 is 79016498604.

40689461097 is a `hidden beast` number, since 406 + 8 + 94 + 61 + 0 + 97 = 666.

It is not a de Polignac number, because 40689461097 - 2⁸ = 40689460841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40689461017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38313463 + ... + 38314524.

It is an arithmetic number, because the mean of its divisors is an integer number (4980819220).

Almost surely, 2^40689461097 is an apocalyptic number.

It is an amenable number.

40689461097 is a deficient number, since it is larger than the sum of its proper divisors (19080369543).

40689461097 is a wasteful number, since it uses less digits than its factorization.

40689461097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76628052 (or 76628049 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 40689461097 in words is "forty billion, six hundred eighty-nine million, four hundred sixty-one thousand, ninety-seven".