40325321012 has 6 divisors (see below), whose sum is σ = 70569311778. Its totient is φ = 20162660504.

The previous prime is 40325321011. The next prime is 40325321063. The reversal of 40325321012 is 21012352304.

It can be written as a sum of positive squares in only one way, i.e., 34149561616 + 6175759396 = 184796^2 + 78586^2 .

It is a super-2 number, since 2×40325321012² (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 (40325321011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5040665123 + ... + 5040665130.

It is an arithmetic number, because the mean of its divisors is an integer number (11761551963).

Almost surely, 2^40325321012 is an apocalyptic number.

It is an amenable number.

40325321012 is a deficient number, since it is larger than the sum of its proper divisors (30243990766).

40325321012 is a wasteful number, since it uses less digits than its factorization.

40325321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10081330257 (or 10081330255 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 40325321012 its reverse (21012352304), we get a palindrome (61337673316).

The spelling of 40325321012 in words is "forty billion, three hundred twenty-five million, three hundred twenty-one thousand, twelve".