748202140820 has 24 divisors (see below), whose sum is σ = 1571302086984. Its totient is φ = 299266077056.

The previous prime is 748202140813. The next prime is 748202140843. The reversal of 748202140820 is 28041202847.

It can be written as a sum of positive squares in 4 ways, for example, as 227859203716 + 520342937104 = 477346^2 + 721348^2 .

It is a super-2 number, since 2×748202140820² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 503927 + ... + 1323006.

It is an arithmetic number, because the mean of its divisors is an integer number (65470920291).

Almost surely, 2^748202140820 is an apocalyptic number.

It is an amenable number.

748202140820 is an abundant number, since it is smaller than the sum of its proper divisors (823099946164).

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

748202140820 is a wasteful number, since it uses less digits than its factorization.

748202140820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847419 (or 1847417 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 38.

The spelling of 748202140820 in words is "seven hundred forty-eight billion, two hundred two million, one hundred forty thousand, eight hundred twenty".