40244240040400 has 60 divisors (see below), whose sum is σ = 105476494590144. Its totient is φ = 14634269104000.

The previous prime is 40244240040331. The next prime is 40244240040401. The reversal of 40244240040400 is 404004244204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244240040401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4573204696 + ... + 4573213495.

Almost surely, 2^{40244240040400} is an apocalyptic number.

40244240040400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40244240040400 is an abundant number, since it is smaller than the sum of its proper divisors (65232254549744).

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

40244240040400 is a wasteful number, since it uses less digits than its factorization.

40244240040400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9146418220 (or 9146418209 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40244240040400 its reverse (404004244204), we get a palindrome (40648244284604).

The spelling of 40244240040400 in words is "forty trillion, two hundred forty-four billion, two hundred forty million, forty thousand, four hundred".