940169394 has 24 divisors (see below), whose sum is σ = 2156859900. Its totient is φ = 294955008.

The previous prime is 940169353. The next prime is 940169407. The reversal of 940169394 is 493961049.

It can be written as a sum of positive squares in 2 ways, for example, as 924464025 + 15705369 = 30405^2 + 3963^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 11 ways as a sum of consecutive naturals, for example, 1535919 + ... + 1536530.

Almost surely, 2^940169394 is an apocalyptic number.

940169394 is an abundant number, since it is smaller than the sum of its proper divisors (1216690506).

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

940169394 is a wasteful number, since it uses less digits than its factorization.

940169394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072474 (or 3072471 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 940169394 is about 30662.1818206076. The cubic root of 940169394 is about 979.6449477378.

The spelling of 940169394 in words is "nine hundred forty million, one hundred sixty-nine thousand, three hundred ninety-four".