40314021020 has 96 divisors (see below), whose sum is σ = 109680345600. Its totient is φ = 12087201024.

The previous prime is 40314020987. The next prime is 40314021031. The reversal of 40314021020 is 2012041304.

It is a self number, because there is not a number n which added to its sum of digits gives 40314021020.

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 31 ways as a sum of consecutive naturals, for example, 548330 + ... + 617489.

It is an arithmetic number, because the mean of its divisors is an integer number (1142503600).

Almost surely, 2^40314021020 is an apocalyptic number.

It is an amenable number.

40314021020 is an abundant number, since it is smaller than the sum of its proper divisors (69366324580).

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

40314021020 is a wasteful number, since it uses less digits than its factorization.

40314021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165867 (or 1165865 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 40314021020 its reverse (2012041304), we get a palindrome (42326062324).

The spelling of 40314021020 in words is "forty billion, three hundred fourteen million, twenty-one thousand, twenty".