1940247070 has 16 divisors (see below), whose sum is σ = 3586835808. Its totient is φ = 755123040.

The previous prime is 1940247047. The next prime is 1940247079. The reversal of 1940247070 is 707420491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940247079) 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 7 ways as a sum of consecutive naturals, for example, 2621586 + ... + 2622325.

It is an arithmetic number, because the mean of its divisors is an integer number (224177238).

Almost surely, 2^1940247070 is an apocalyptic number.

1940247070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1940247070 is a deficient number, since it is larger than the sum of its proper divisors (1646588738).

1940247070 is a wasteful number, since it uses less digits than its factorization.

1940247070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5243955.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 1940247070 is about 44048.2357194928. The cubic root of 1940247070 is about 1247.2466479616.

The spelling of 1940247070 in words is "one billion, nine hundred forty million, two hundred forty-seven thousand, seventy".