40145413683338 has 4 divisors (see below), whose sum is σ = 60218120525010. Its totient is φ = 20072706841668.

The previous prime is 40145413683337. The next prime is 40145413683383. The reversal of 40145413683338 is 83338631454104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39115730622049 + 1029683061289 = 6254257^2 + 1014733^2 .

It is a super-2 number, since 2×40145413683338² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40145413683338.

It is not an unprimeable number, because it can be changed into a prime (40145413683337) 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, 10036353420833 + ... + 10036353420836.

Almost surely, 2^{40145413683338} is an apocalyptic number.

40145413683338 is a deficient number, since it is larger than the sum of its proper divisors (20072706841672).

40145413683338 is a wasteful number, since it uses less digits than its factorization.

40145413683338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20072706841671.

The product of its (nonzero) digits is 9953280, while the sum is 53.

The spelling of 40145413683338 in words is "forty trillion, one hundred forty-five billion, four hundred thirteen million, six hundred eighty-three thousand, three hundred thirty-eight".