40003421100 has 72 divisors (see below), whose sum is σ = 116170564608. Its totient is φ = 10628193600.

The previous prime is 40003421063. The next prime is 40003421119. The reversal of 40003421100 is 112430004.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 40003421100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164724 + ... + 327323.

It is an arithmetic number, because the mean of its divisors is an integer number (1613480064).

Almost surely, 2^40003421100 is an apocalyptic number.

It is an amenable number.

40003421100 is an abundant number, since it is smaller than the sum of its proper divisors (76167143508).

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

40003421100 is a wasteful number, since it uses less digits than its factorization.

40003421100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492335 (or 492328 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 40003421100 its reverse (112430004), we get a palindrome (40115851104).

The spelling of 40003421100 in words is "forty billion, three million, four hundred twenty-one thousand, one hundred".