40188955424258 has 8 divisors (see below), whose sum is σ = 60533571863820. Its totient is φ = 20011098136320.

The previous prime is 40188955424257. The next prime is 40188955424263. The reversal of 40188955424258 is 85242455988104.

It can be written as a sum of positive squares in 2 ways, for example, as 39714031836649 + 474923587609 = 6301907^2 + 689147^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40188955424194 and 40188955424203.

It is not an unprimeable number, because it can be changed into a prime (40188955424257) 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 3 ways as a sum of consecutive naturals, for example, 41689787303 + ... + 41689788266.

Almost surely, 2^{40188955424258} is an apocalyptic number.

40188955424258 is a deficient number, since it is larger than the sum of its proper divisors (20344616439562).

40188955424258 is a wasteful number, since it uses less digits than its factorization.

40188955424258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83379575812.

The product of its (nonzero) digits is 147456000, while the sum is 65.

The spelling of 40188955424258 in words is "forty trillion, one hundred eighty-eight billion, nine hundred fifty-five million, four hundred twenty-four thousand, two hundred fifty-eight".