1416164440 has 32 divisors (see below), whose sum is σ = 3222180000. Its totient is φ = 560099584.

The previous prime is 1416164437. The next prime is 1416164459. The reversal of 1416164440 is 444616141.

It is a happy number.

It is a super-2 number, since 2×1416164440² = 4011043442241027200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195340 + ... + 202459.

It is an arithmetic number, because the mean of its divisors is an integer number (100693125).

Almost surely, 2^1416164440 is an apocalyptic number.

1416164440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1416164440 is an abundant number, since it is smaller than the sum of its proper divisors (1806015560).

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

1416164440 is a wasteful number, since it uses less digits than its factorization.

1416164440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397899 (or 397895 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1416164440 is about 37631.9603528703. The cubic root of 1416164440 is about 1122.9779486904.

The spelling of 1416164440 in words is "one billion, four hundred sixteen million, one hundred sixty-four thousand, four hundred forty".