40041430312 has 32 divisors (see below), whose sum is σ = 81960477480. Its totient is φ = 18227496960.

The previous prime is 40041430283. The next prime is 40041430313. The reversal of 40041430312 is 21303414004.

40041430312 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 20510249796 + 19531180516 = 143214^2 + 139754^2 .

It is a super-2 number, since 2×40041430312² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40041430313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2629489 + ... + 2644672.

Almost surely, 2^40041430312 is an apocalyptic number.

It is an amenable number.

40041430312 is an abundant number, since it is smaller than the sum of its proper divisors (41919047168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40041430312 is a wasteful number, since it uses less digits than its factorization.

40041430312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5274253 (or 5274249 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40041430312 its reverse (21303414004), we get a palindrome (61344844316).

The spelling of 40041430312 in words is "forty billion, forty-one million, four hundred thirty thousand, three hundred twelve".