440100042122540 has 48 divisors (see below), whose sum is σ = 957650782556160. Its totient is φ = 169713544943040.

The previous prime is 440100042122537. The next prime is 440100042122567. The reversal of 440100042122540 is 45221240001044.

It is a happy number.

It is a super-2 number, since 2×440100042122540² (a number of 30 digits) contains 22 as substring.

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, 1349340320 + ... + 1349666439.

It is an arithmetic number, because the mean of its divisors is an integer number (19951057969920).

Almost surely, 2^{440100042122540} is an apocalyptic number.

It is an amenable number.

440100042122540 is an abundant number, since it is smaller than the sum of its proper divisors (517550740433620).

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

440100042122540 is a wasteful number, since it uses less digits than its factorization.

440100042122540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699007062 (or 2699007060 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 440100042122540 its reverse (45221240001044), we get a palindrome (485321282123584).

The spelling of 440100042122540 in words is "four hundred forty trillion, one hundred billion, forty-two million, one hundred twenty-two thousand, five hundred forty".