740577067398 has 120 divisors (see below), whose sum is σ = 1948082479200. Its totient is φ = 209651978592.

The previous prime is 740577067393. The next prime is 740577067403. The reversal of 740577067398 is 893760775047.

740577067398 is a `hidden beast` number, since 7 + 405 + 7 + 70 + 6 + 73 + 98 = 666.

It is an interprime number because it is at equal distance from previous prime (740577067393) and next prime (740577067403).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740577067393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 437283 + ... + 1293201.

It is an arithmetic number, because the mean of its divisors is an integer number (16234020660).

Almost surely, 2^740577067398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740577067398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974041239600).

740577067398 is an abundant number, since it is smaller than the sum of its proper divisors (1207505411802).

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

740577067398 is a wasteful number, since it uses less digits than its factorization.

740577067398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856056 (or 856040 counting only the distinct ones).

The product of its (nonzero) digits is 62233920, while the sum is 63.

The spelling of 740577067398 in words is "seven hundred forty billion, five hundred seventy-seven million, sixty-seven thousand, three hundred ninety-eight".