40100203224020 has 24 divisors (see below), whose sum is σ = 84329200321800. Its totient is φ = 16017457756032.

The previous prime is 40100203224013. The next prime is 40100203224047. The reversal of 40100203224020 is 2042230200104.

It can be written as a sum of positive squares in 4 ways, for example, as 147109068304 + 39953094155716 = 383548^2 + 6320846^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 40100203223983 and 40100203224001.

It is a congruent number.

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, 1413956315 + ... + 1413984674.

It is an arithmetic number, because the mean of its divisors is an integer number (3513716680075).

Almost surely, 2^{40100203224020} is an apocalyptic number.

It is an amenable number.

40100203224020 is an abundant number, since it is smaller than the sum of its proper divisors (44228997097780).

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

40100203224020 is a wasteful number, since it uses less digits than its factorization.

40100203224020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827941707 (or 2827941705 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40100203224020 its reverse (2042230200104), we get a palindrome (42142433424124).

The spelling of 40100203224020 in words is "forty trillion, one hundred billion, two hundred three million, two hundred twenty-four thousand, twenty".