740040385 has 24 divisors (see below), whose sum is σ = 1036506240. Its totient is φ = 505751904.

The previous prime is 740040377. The next prime is 740040409. The reversal of 740040385 is 583040047.

It is not a de Polignac number, because 740040385 - 2³ = 740040377 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70296 + ... + 80134.

It is an arithmetic number, because the mean of its divisors is an integer number (43187760).

Almost surely, 2^740040385 is an apocalyptic number.

It is an amenable number.

740040385 is a deficient number, since it is larger than the sum of its proper divisors (296465855).

740040385 is a wasteful number, since it uses less digits than its factorization.

740040385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10165 (or 10158 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 740040385 is about 27203.6832984065. The cubic root of 740040385 is about 904.5206235863.

The spelling of 740040385 in words is "seven hundred forty million, forty thousand, three hundred eighty-five".