40325213320 has 32 divisors (see below), whose sum is σ = 103693406400. Its totient is φ = 13825787328.

The previous prime is 40325213303. The next prime is 40325213377. The reversal of 40325213320 is 2331252304.

It is a super-2 number, since 2×40325213320² (a number of 22 digits) contains 22 as substring.

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, 72009030 + ... + 72009589.

It is an arithmetic number, because the mean of its divisors is an integer number (3240418950).

Almost surely, 2^40325213320 is an apocalyptic number.

40325213320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40325213320 is an abundant number, since it is smaller than the sum of its proper divisors (63368193080).

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

40325213320 is a wasteful number, since it uses less digits than its factorization.

40325213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144018637 (or 144018633 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 40325213320 its reverse (2331252304), we get a palindrome (42656465624).

The spelling of 40325213320 in words is "forty billion, three hundred twenty-five million, two hundred thirteen thousand, three hundred twenty".