40036321460 has 24 divisors (see below), whose sum is σ = 84193240320. Its totient is φ = 15992249504.

The previous prime is 40036321399. The next prime is 40036321487. The reversal of 40036321460 is 6412363004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377704 + ... + 1406463.

It is an arithmetic number, because the mean of its divisors is an integer number (3508051680).

Almost surely, 2^40036321460 is an apocalyptic number.

It is an amenable number.

40036321460 is an abundant number, since it is smaller than the sum of its proper divisors (44156918860).

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

40036321460 is a wasteful number, since it uses less digits than its factorization.

40036321460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784895 (or 2784893 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 40036321460 its reverse (6412363004), we get a palindrome (46448684464).

The spelling of 40036321460 in words is "forty billion, thirty-six million, three hundred twenty-one thousand, four hundred sixty".