40205900742250 has 16 divisors (see below), whose sum is σ = 75265446189960. Its totient is φ = 16082360296800.

The previous prime is 40205900742223. The next prime is 40205900742251. The reversal of 40205900742250 is 5224700950204.

40205900742250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3154222176169 + 37051678566081 = 1776013^2 + 6087009^2 .

It is not an unprimeable number, because it can be changed into a prime (40205900742251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80411801235 + ... + 80411801734.

Almost surely, 2^{40205900742250} is an apocalyptic number.

40205900742250 is a deficient number, since it is larger than the sum of its proper divisors (35059545447710).

40205900742250 is a wasteful number, since it uses less digits than its factorization.

40205900742250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160823602986 (or 160823602976 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 40205900742250 in words is "forty trillion, two hundred five billion, nine hundred million, seven hundred forty-two thousand, two hundred fifty".