40104100 has 36 divisors (see below), whose sum is σ = 90033300. Its totient is φ = 15487360.

The previous prime is 40104089. The next prime is 40104101. The reversal of 40104100 is 140104.

It can be written as a sum of positive squares in 6 ways, for example, as 4032064 + 36072036 = 2008^2 + 6006^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (40104101) 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, 4015 + ... + 9814.

It is an arithmetic number, because the mean of its divisors is an integer number (2500925).

Almost surely, 2^40104100 is an apocalyptic number.

It is an amenable number.

40104100 is an abundant number, since it is smaller than the sum of its proper divisors (49929200).

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

40104100 is a wasteful number, since it uses less digits than its factorization.

40104100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13872 (or 13865 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 40104100 is about 6332.7798003720. The cubic root of 40104100 is about 342.2916131629.

Adding to 40104100 its reverse (140104), we get a palindrome (40244204).

It can be divided in two parts, 40104 and 100, that added together give a palindrome (40204).

The spelling of 40104100 in words is "forty million, one hundred four thousand, one hundred".