42100222103440 has 80 divisors (see below), whose sum is σ = 103537961682048. Its totient is φ = 15887254699008.

The previous prime is 42100222103399. The next prime is 42100222103473. The reversal of 42100222103440 is 4430122200124.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 156581814 + ... + 156850453.

Almost surely, 2^{42100222103440} is an apocalyptic number.

42100222103440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42100222103440 is an abundant number, since it is smaller than the sum of its proper divisors (61437739578608).

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

42100222103440 is a wasteful number, since it uses less digits than its factorization.

42100222103440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313432376 (or 313432370 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42100222103440 its reverse (4430122200124), we get a palindrome (46530344303564).

The spelling of 42100222103440 in words is "forty-two trillion, one hundred billion, two hundred twenty-two million, one hundred three thousand, four hundred forty".