40305012 has 48 divisors (see below), whose sum is σ = 106142400. Its totient is φ = 11791360.

The previous prime is 40305007. The next prime is 40305043. The reversal of 40305012 is 21050304.

It is a junction number, because it is equal to n+sod(n) for n = 40304982 and 40305000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437 + ... + 9092.

It is an arithmetic number, because the mean of its divisors is an integer number (2211300).

Almost surely, 2^40305012 is an apocalyptic number.

It is an amenable number.

40305012 is an abundant number, since it is smaller than the sum of its proper divisors (65837388).

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

40305012 is a wasteful number, since it uses less digits than its factorization.

40305012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10576 (or 10574 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 40305012 is about 6348.6228427904. The cubic root of 40305012 is about 342.8622611339.

Adding to 40305012 its reverse (21050304), we get a palindrome (61355316).

The spelling of 40305012 in words is "forty million, three hundred five thousand, twelve".