40605401770 has 32 divisors (see below), whose sum is σ = 75585701376. Its totient is φ = 15689419200.

The previous prime is 40605401747. The next prime is 40605401779. The reversal of 40605401770 is 7710450604.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40605401779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49840 + ... + 289300.

It is an arithmetic number, because the mean of its divisors is an integer number (2362053168).

Almost surely, 2^40605401770 is an apocalyptic number.

40605401770 is a deficient number, since it is larger than the sum of its proper divisors (34980299606).

40605401770 is a wasteful number, since it uses less digits than its factorization.

40605401770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240046.

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 40605401770 in words is "forty billion, six hundred five million, four hundred one thousand, seven hundred seventy".