40857475229451 has 16 divisors (see below), whose sum is σ = 63715360982400. Its totient is φ = 25804721197224.

The previous prime is 40857475229447. The next prime is 40857475229479. The reversal of 40857475229451 is 15492257475804.

40857475229451 is a `hidden beast` number, since 4 + 0 + 8 + 5 + 7 + 475 + 22 + 94 + 51 = 666.

It is not a de Polignac number, because 40857475229451 - 2² = 40857475229447 is a prime.

It is a super-3 number, since 3×40857475229451³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (40857475229401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39822100101 + ... + 39822101126.

It is an arithmetic number, because the mean of its divisors is an integer number (3982210061400).

Almost surely, 2^{40857475229451} is an apocalyptic number.

40857475229451 is a deficient number, since it is larger than the sum of its proper divisors (22857885752949).

40857475229451 is a wasteful number, since it uses less digits than its factorization.

40857475229451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79644201255 (or 79644201249 counting only the distinct ones).

The product of its (nonzero) digits is 112896000, while the sum is 63.

The spelling of 40857475229451 in words is "forty trillion, eight hundred fifty-seven billion, four hundred seventy-five million, two hundred twenty-nine thousand, four hundred fifty-one".