40129800758 has 16 divisors (see below), whose sum is σ = 62820822240. Its totient is φ = 19189775616.

The previous prime is 40129800751. The next prime is 40129800761. The reversal of 40129800758 is 85700892104.

It is a super-2 number, since 2×40129800758² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40129800751) 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 in 7 ways as a sum of consecutive naturals, for example, 284528 + ... + 401516.

It is an arithmetic number, because the mean of its divisors is an integer number (3926301390).

Almost surely, 2^40129800758 is an apocalyptic number.

40129800758 is a deficient number, since it is larger than the sum of its proper divisors (22691021482).

40129800758 is a wasteful number, since it uses less digits than its factorization.

40129800758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124471.

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 40129800758 in words is "forty billion, one hundred twenty-nine million, eight hundred thousand, seven hundred fifty-eight".