745942596721440 has 96 divisors (see below), whose sum is σ = 2382813816114816. Its totient is φ = 196116363448320.

The previous prime is 745942596721423. The next prime is 745942596721477. The reversal of 745942596721440 is 44127695249547.

It is a tau number, because it is divible by the number of its divisors (96).

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, 10943959417 + ... + 10944027576.

It is an arithmetic number, because the mean of its divisors is an integer number (24820977251196).

Almost surely, 2^{745942596721440} is an apocalyptic number.

It is an amenable number.

745942596721440 is an abundant number, since it is smaller than the sum of its proper divisors (1636871219393376).

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

745942596721440 is a wasteful number, since it uses less digits than its factorization.

745942596721440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21887987082 (or 21887987074 counting only the distinct ones).

The product of its (nonzero) digits is 609638400, while the sum is 69.

The spelling of 745942596721440 in words is "seven hundred forty-five trillion, nine hundred forty-two billion, five hundred ninety-six million, seven hundred twenty-one thousand, four hundred forty".