740994205985 has 16 divisors (see below), whose sum is σ = 992587590720. Its totient is φ = 526372203840.

The previous prime is 740994205961. The next prime is 740994205999. The reversal of 740994205985 is 589502499047.

It is not a de Polignac number, because 740994205985 - 2⁶ = 740994205921 is a prime.

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, 156656030 + ... + 156660759.

It is an arithmetic number, because the mean of its divisors is an integer number (62036724420).

Almost surely, 2^740994205985 is an apocalyptic number.

It is an amenable number.

740994205985 is a deficient number, since it is larger than the sum of its proper divisors (251593384735).

740994205985 is a wasteful number, since it uses less digits than its factorization.

740994205985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313316848.

The product of its (nonzero) digits is 32659200, while the sum is 62.

The spelling of 740994205985 in words is "seven hundred forty billion, nine hundred ninety-four million, two hundred five thousand, nine hundred eighty-five".