1940479029 has 6 divisors (see below), whose sum is σ = 2802914166. Its totient is φ = 1293652680.

The previous prime is 1940479003. The next prime is 1940479031. The reversal of 1940479029 is 9209740491.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1933976529 + 6502500 = 43977^2 + 2550^2 .

It is not a de Polignac number, because 1940479029 - 2⁷ = 1940478901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940479039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107804382 + ... + 107804399.

It is an arithmetic number, because the mean of its divisors is an integer number (467152361).

Almost surely, 2^1940479029 is an apocalyptic number.

It is an amenable number.

1940479029 is a deficient number, since it is larger than the sum of its proper divisors (862435137).

1940479029 is a wasteful number, since it uses less digits than its factorization.

1940479029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215608787 (or 215608784 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1940479029 is about 44050.8686520482. The cubic root of 1940479029 is about 1247.2963492877.

The spelling of 1940479029 in words is "one billion, nine hundred forty million, four hundred seventy-nine thousand, twenty-nine".