40323210100 has 36 divisors (see below), whose sum is σ = 87517148544. Its totient is φ = 16126374880.

The previous prime is 40323210077. The next prime is 40323210107. The reversal of 40323210100 is 101232304.

It is a happy number.

It is a super-2 number, since 2×40323210100² (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 (40323210107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571359 + ... + 638041.

It is an arithmetic number, because the mean of its divisors is an integer number (2431031904).

Almost surely, 2^40323210100 is an apocalyptic number.

It is an amenable number.

40323210100 is an abundant number, since it is smaller than the sum of its proper divisors (47193938444).

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

40323210100 is a wasteful number, since it uses less digits than its factorization.

40323210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72744 (or 72737 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 40323210100 its reverse (101232304), we get a palindrome (40424442404).

The spelling of 40323210100 in words is "forty billion, three hundred twenty-three million, two hundred ten thousand, one hundred".