3011020140440 has 64 divisors (see below), whose sum is σ = 7301861804160. Its totient is φ = 1110857909760.

The previous prime is 3011020140397. The next prime is 3011020140451. The reversal of 3011020140440 is 440410201103.

It is a super-2 number, since 2×3011020140440² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1711799 + ... + 2992038.

It is an arithmetic number, because the mean of its divisors is an integer number (114091590690).

Almost surely, 2^{3011020140440} is an apocalyptic number.

It is an amenable number.

3011020140440 is an abundant number, since it is smaller than the sum of its proper divisors (4290841663720).

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

3011020140440 is a wasteful number, since it uses less digits than its factorization.

3011020140440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4705092 (or 4705088 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 3011020140440 its reverse (440410201103), we get a palindrome (3451430341543).

The spelling of 3011020140440 in words is "three trillion, eleven billion, twenty million, one hundred forty thousand, four hundred forty".