740755401984 has 216 divisors, whose sum is σ = 2400076573440. Its totient is φ = 218014765056.

The previous prime is 740755401979. The next prime is 740755401989. The reversal of 740755401984 is 489104557047.

740755401984 is a `hidden beast` number, since 7 + 4 + 0 + 7 + 5 + 540 + 1 + 98 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (740755401979) and next prime (740755401989).

It is a super-2 number, since 2×740755401984² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 740755401984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740755401989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151257 + ... + 1226535.

Almost surely, 2^740755401984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740755401984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1200038286720).

740755401984 is an abundant number, since it is smaller than the sum of its proper divisors (1659321171456).

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

740755401984 is a wasteful number, since it uses less digits than its factorization.

740755401984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075337 (or 1075320 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 740755401984 in words is "seven hundred forty billion, seven hundred fifty-five million, four hundred one thousand, nine hundred eighty-four".