40157581703 has 2 divisors, whose sum is σ = 40157581704. Its totient is φ = 40157581702.

The previous prime is 40157581649. The next prime is 40157581741. The reversal of 40157581703 is 30718575104.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40157581703 - 2¹⁶ = 40157516167 is a prime.

It is a super-2 number, since 2×40157581703² (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 (40157481703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20078790851 + 20078790852.

It is an arithmetic number, because the mean of its divisors is an integer number (20078790852).

Almost surely, 2^40157581703 is an apocalyptic number.

40157581703 is a deficient number, since it is larger than the sum of its proper divisors (1).

40157581703 is an equidigital number, since it uses as much as digits as its factorization.

40157581703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 40157581703 in words is "forty billion, one hundred fifty-seven million, five hundred eighty-one thousand, seven hundred three".