742555252340 has 24 divisors (see below), whose sum is σ = 1701126578592. Its totient is φ = 270020091680.

The previous prime is 742555252319. The next prime is 742555252343. The reversal of 742555252340 is 43252555247.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 742555252291 and 742555252300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742555252343) 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, 1687625354 + ... + 1687625793.

It is an arithmetic number, because the mean of its divisors is an integer number (70880274108).

Almost surely, 2^742555252340 is an apocalyptic number.

It is an amenable number.

742555252340 is an abundant number, since it is smaller than the sum of its proper divisors (958571326252).

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

742555252340 is a wasteful number, since it uses less digits than its factorization.

742555252340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375251167 (or 3375251165 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 44.

The spelling of 742555252340 in words is "seven hundred forty-two billion, five hundred fifty-five million, two hundred fifty-two thousand, three hundred forty".