40351460212 has 18 divisors (see below), whose sum is σ = 82144044402. Its totient is φ = 17293482864.

The previous prime is 40351460189. The next prime is 40351460231. The reversal of 40351460212 is 21206415304.

It can be written as a sum of positive squares in only one way, i.e., 40338312336 + 13147876 = 200844^2 + 3626^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102937203 + ... + 102937594.

Almost surely, 2^40351460212 is an apocalyptic number.

It is an amenable number.

40351460212 is an abundant number, since it is smaller than the sum of its proper divisors (41792584190).

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

40351460212 is a wasteful number, since it uses less digits than its factorization.

40351460212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205874815 (or 205874806 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 40351460212 its reverse (21206415304), we get a palindrome (61557875516).

The spelling of 40351460212 in words is "forty billion, three hundred fifty-one million, four hundred sixty thousand, two hundred twelve".