3487022723440 has 80 divisors (see below), whose sum is σ = 8612323552800. Its totient is φ = 1309275104256.

The previous prime is 3487022723423. The next prime is 3487022723449. The reversal of 3487022723440 is 443272207843.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3487022723449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10357687 + ... + 10689046.

It is an arithmetic number, because the mean of its divisors is an integer number (107654044410).

Almost surely, 2^{3487022723440} is an apocalyptic number.

It is an amenable number.

3487022723440 is an abundant number, since it is smaller than the sum of its proper divisors (5125300829360).

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

3487022723440 is a wasteful number, since it uses less digits than its factorization.

3487022723440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21046874 (or 21046868 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 46.

The spelling of 3487022723440 in words is "three trillion, four hundred eighty-seven billion, twenty-two million, seven hundred twenty-three thousand, four hundred forty".