40322100 has 216 divisors, whose sum is σ = 146844768. Its totient is φ = 8467200.

The previous prime is 40322081. The next prime is 40322101. The reversal of 40322100 is 122304.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40322101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 190995 + ... + 191205.

Almost surely, 2^40322100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40322100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73422384).

40322100 is an abundant number, since it is smaller than the sum of its proper divisors (106522668).

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

40322100 is a wasteful number, since it uses less digits than its factorization.

40322100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 40322100 is about 6349.9685038589. The cubic root of 40322100 is about 342.9107083967.

Adding to 40322100 its reverse (122304), we get a palindrome (40444404).

The spelling of 40322100 in words is "forty million, three hundred twenty-two thousand, one hundred".