1940164270 has 64 divisors (see below), whose sum is σ = 4061187072. Its totient is φ = 659520000.

The previous prime is 1940164199. The next prime is 1940164273. The reversal of 1940164270 is 724610491.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940164273) 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 31 ways as a sum of consecutive naturals, for example, 278935 + ... + 285805.

It is an arithmetic number, because the mean of its divisors is an integer number (63456048).

Almost surely, 2^1940164270 is an apocalyptic number.

1940164270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1940164270 is an abundant number, since it is smaller than the sum of its proper divisors (2121022802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1940164270 is a wasteful number, since it uses less digits than its factorization.

1940164270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7057.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1940164270 is about 44047.2958307318. The cubic root of 1940164270 is about 1247.2289056350.

The spelling of 1940164270 in words is "one billion, nine hundred forty million, one hundred sixty-four thousand, two hundred seventy".