748566144540 has 480 divisors, whose sum is σ = 2595692240064. Its totient is φ = 179786096640.

The previous prime is 748566144509. The next prime is 748566144569. The reversal of 748566144540 is 45441665847.

748566144540 is a `hidden beast` number, since 7 + 4 + 8 + 56 + 6 + 1 + 44 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 62151759 + ... + 62163801.

Almost surely, 2^748566144540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 748566144540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1297846120032).

748566144540 is an abundant number, since it is smaller than the sum of its proper divisors (1847126095524).

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

748566144540 is a wasteful number, since it uses less digits than its factorization.

748566144540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12179 (or 12168 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 54.

The spelling of 748566144540 in words is "seven hundred forty-eight billion, five hundred sixty-six million, one hundred forty-four thousand, five hundred forty".