40257161735870 has 32 divisors (see below), whose sum is σ = 74170257002496. Its totient is φ = 15727689325600.

The previous prime is 40257161735863. The next prime is 40257161735873. The reversal of 40257161735870 is 7853716175204.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40257161735873) 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, 264878366 + ... + 265030305.

It is an arithmetic number, because the mean of its divisors is an integer number (2317820531328).

Almost surely, 2^{40257161735870} is an apocalyptic number.

40257161735870 is a deficient number, since it is larger than the sum of its proper divisors (33913095266626).

40257161735870 is a wasteful number, since it uses less digits than its factorization.

40257161735870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529908856.

The product of its (nonzero) digits is 9878400, while the sum is 56.

The spelling of 40257161735870 in words is "forty trillion, two hundred fifty-seven billion, one hundred sixty-one million, seven hundred thirty-five thousand, eight hundred seventy".