40157955701 has 2 divisors, whose sum is σ = 40157955702. Its totient is φ = 40157955700.

The previous prime is 40157955689. The next prime is 40157955751. The reversal of 40157955701 is 10755975104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32454382801 + 7703572900 = 180151^2 + 87770^2 .

It is a cyclic number.

It is not a de Polignac number, because 40157955701 - 2¹⁰ = 40157954677 is a prime.

It is a super-2 number, since 2×40157955701² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40157955751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20078977850 + 20078977851.

It is an arithmetic number, because the mean of its divisors is an integer number (20078977851).

Almost surely, 2^40157955701 is an apocalyptic number.

It is an amenable number.

40157955701 is a deficient number, since it is larger than the sum of its proper divisors (1).

40157955701 is an equidigital number, since it uses as much as digits as its factorization.

40157955701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 220500, while the sum is 44.

The spelling of 40157955701 in words is "forty billion, one hundred fifty-seven million, nine hundred fifty-five thousand, seven hundred one".