740545213403620 has 24 divisors (see below), whose sum is σ = 1565582162571000. Its totient is φ = 294230044518912.

The previous prime is 740545213403551. The next prime is 740545213403629. The reversal of 740545213403620 is 26304312545047.

It can be written as a sum of positive squares in 4 ways, for example, as 3305094912064 + 737240118491556 = 1817992^2 + 27152166^2 .

It is not an unprimeable number, because it can be changed into a prime (740545213403629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124252549605 + ... + 124252555564.

It is an arithmetic number, because the mean of its divisors is an integer number (65232590107125).

Almost surely, 2^{740545213403620} is an apocalyptic number.

It is an amenable number.

740545213403620 is an abundant number, since it is smaller than the sum of its proper divisors (825036949167380).

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

740545213403620 is a wasteful number, since it uses less digits than its factorization.

740545213403620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248505105327 (or 248505105325 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 46.

Adding to 740545213403620 its reverse (26304312545047), we get a palindrome (766849525948667).

The spelling of 740545213403620 in words is "seven hundred forty trillion, five hundred forty-five billion, two hundred thirteen million, four hundred three thousand, six hundred twenty".