40204040200000 has 84 divisors (see below), whose sum is σ = 99718483444524. Its totient is φ = 16081616000000.

The previous prime is 40204040199943. The next prime is 40204040200087. The reversal of 40204040200000 is 204040204.

It can be written as a sum of positive squares in 6 ways, for example, as 33461874821376 + 6742165378624 = 5784624^2 + 2596568^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100310101 + ... + 100710100.

It is an arithmetic number, because the mean of its divisors is an integer number (1187124802911).

Almost surely, 2^{40204040200000} is an apocalyptic number.

40204040200000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40204040200000 is an abundant number, since it is smaller than the sum of its proper divisors (59514443244524).

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

40204040200000 is an frugal number, since it uses more digits than its factorization.

40204040200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201020238 (or 201020208 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 40204040200000 its reverse (204040204), we get a palindrome (40204244240204).

The spelling of 40204040200000 in words is "forty trillion, two hundred four billion, forty million, two hundred thousand".