746800021340 has 48 divisors (see below), whose sum is σ = 1661119270272. Its totient is φ = 281048779776.

The previous prime is 746800021327. The next prime is 746800021403. The reversal of 746800021340 is 43120008647.

It is a self number, because there is not a number n which added to its sum of digits gives 746800021340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577469 + ... + 1351691.

It is an arithmetic number, because the mean of its divisors is an integer number (34606651464).

Almost surely, 2^746800021340 is an apocalyptic number.

It is an amenable number.

746800021340 is an abundant number, since it is smaller than the sum of its proper divisors (914319248932).

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

746800021340 is a wasteful number, since it uses less digits than its factorization.

746800021340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777086 (or 777084 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

Adding to 746800021340 its reverse (43120008647), we get a palindrome (789920029987).

The spelling of 746800021340 in words is "seven hundred forty-six billion, eight hundred million, twenty-one thousand, three hundred forty".