4505742623440 has 80 divisors (see below), whose sum is σ = 10815135929856. Its totient is φ = 1743940108800.

The previous prime is 4505742623429. The next prime is 4505742623441. The reversal of 4505742623440 is 443262475054.

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 (4505742623441) 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, 20452114 + ... + 20671246.

Almost surely, 2^{4505742623440} is an apocalyptic number.

4505742623440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4505742623440 is an abundant number, since it is smaller than the sum of its proper divisors (6309393306416).

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

4505742623440 is a wasteful number, since it uses less digits than its factorization.

4505742623440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227468 (or 227462 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 46.

The spelling of 4505742623440 in words is "four trillion, five hundred five billion, seven hundred forty-two million, six hundred twenty-three thousand, four hundred forty".