40708471657491 has 12 divisors (see below), whose sum is σ = 64146682611960. Its totient is φ = 24671801004480.

The previous prime is 40708471657459. The next prime is 40708471657561. The reversal of 40708471657491 is 19475617480704.

40708471657491 is a `hidden beast` number, since 4 + 0 + 7 + 0 + 8 + 47 + 16 + 574 + 9 + 1 = 666.

It is not a de Polignac number, because 40708471657491 - 2⁵ = 40708471657459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40708471657691) 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, 205598341606 + ... + 205598341803.

It is an arithmetic number, because the mean of its divisors is an integer number (5345556884330).

Almost surely, 2^{40708471657491} is an apocalyptic number.

40708471657491 is a deficient number, since it is larger than the sum of its proper divisors (23438210954469).

40708471657491 is a wasteful number, since it uses less digits than its factorization.

40708471657491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411196683426 (or 411196683423 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 63.

The spelling of 40708471657491 in words is "forty trillion, seven hundred eight billion, four hundred seventy-one million, six hundred fifty-seven thousand, four hundred ninety-one".