40143489781600 has 36 divisors (see below), whose sum is σ = 98000294431284. Its totient is φ = 16057395912320.

The previous prime is 40143489781537. The next prime is 40143489781607. The reversal of 40143489781600 is 618798434104.

It is a super-2 number, since 2×40143489781600² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40143489781607) 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 5 ways as a sum of consecutive naturals, for example, 25089680314 + ... + 25089681913.

It is an arithmetic number, because the mean of its divisors is an integer number (2722230400869).

Almost surely, 2^{40143489781600} is an apocalyptic number.

40143489781600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40143489781600 is an abundant number, since it is smaller than the sum of its proper divisors (57856804649684).

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

40143489781600 is a wasteful number, since it uses less digits than its factorization.

40143489781600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50179362247 (or 50179362234 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 40143489781600 in words is "forty trillion, one hundred forty-three billion, four hundred eighty-nine million, seven hundred eighty-one thousand, six hundred".