40255554024340 has 48 divisors (see below), whose sum is σ = 84711498500160. Its totient is φ = 16068921765120.

The previous prime is 40255554024307. The next prime is 40255554024377. The reversal of 40255554024340 is 4342045555204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562247584 + ... + 562319176.

It is an arithmetic number, because the mean of its divisors is an integer number (1764822885420).

Almost surely, 2^{40255554024340} is an apocalyptic number.

It is an amenable number.

40255554024340 is an abundant number, since it is smaller than the sum of its proper divisors (44455944475820).

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

40255554024340 is a wasteful number, since it uses less digits than its factorization.

40255554024340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129352 (or 129350 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 43.

Adding to 40255554024340 its reverse (4342045555204), we get a palindrome (44597599579544).

The spelling of 40255554024340 in words is "forty trillion, two hundred fifty-five billion, five hundred fifty-four million, twenty-four thousand, three hundred forty".