40191349011471 has 36 divisors (see below), whose sum is σ = 67646285836272. Its totient is φ = 22927755682944.

The previous prime is 40191349011413. The next prime is 40191349011491. The reversal of 40191349011471 is 17411094319104.

40191349011471 is a `hidden beast` number, since 4 + 0 + 1 + 9 + 13 + 490 + 1 + 147 + 1 = 666.

It is not a de Polignac number, because 40191349011471 - 2¹¹ = 40191349009423 is a prime.

It is a super-3 number, since 3×40191349011471³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40191349011491) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 76582371 + ... + 77105396.

It is an arithmetic number, because the mean of its divisors is an integer number (1879063495452).

Almost surely, 2^{40191349011471} is an apocalyptic number.

40191349011471 is a deficient number, since it is larger than the sum of its proper divisors (27454936824801).

40191349011471 is a wasteful number, since it uses less digits than its factorization.

40191349011471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153688380 (or 153688370 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 40191349011471 in words is "forty trillion, one hundred ninety-one billion, three hundred forty-nine million, eleven thousand, four hundred seventy-one".