4523490162640 has 80 divisors (see below), whose sum is σ = 10571136238800. Its totient is φ = 1800121061376.

The previous prime is 4523490162619. The next prime is 4523490162643. The reversal of 4523490162640 is 462610943254.

It can be written as a sum of positive squares in 8 ways, for example, as 665738501184 + 3857751661456 = 815928^2 + 1964116^2 .

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 (4523490162643) 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 15 ways as a sum of consecutive naturals, for example, 15109444 + ... + 15405916.

It is an arithmetic number, because the mean of its divisors is an integer number (132139202985).

Almost surely, 2^{4523490162640} is an apocalyptic number.

4523490162640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4523490162640 is an abundant number, since it is smaller than the sum of its proper divisors (6047646076160).

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

4523490162640 is a wasteful number, since it uses less digits than its factorization.

4523490162640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297464 (or 297458 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 4523490162640 in words is "four trillion, five hundred twenty-three billion, four hundred ninety million, one hundred sixty-two thousand, six hundred forty".