40430333312 has 32 divisors (see below), whose sum is σ = 81449825400. Its totient is φ = 19988024320.

The previous prime is 40430333311. The next prime is 40430333323. The reversal of 40430333312 is 21333303404.

It is a happy number.

40430333312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×40430333312² (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 (40430333311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1763114 + ... + 1785897.

Almost surely, 2^40430333312 is an apocalyptic number.

It is an amenable number.

40430333312 is an abundant number, since it is smaller than the sum of its proper divisors (41019492088).

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

40430333312 is an equidigital number, since it uses as much as digits as its factorization.

40430333312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549114 (or 3549102 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 40430333312 its reverse (21333303404), we get a palindrome (61763636716).

The spelling of 40430333312 in words is "forty billion, four hundred thirty million, three hundred thirty-three thousand, three hundred twelve".