1440206946 has 32 divisors (see below), whose sum is σ = 3230383680. Its totient is φ = 475580448.

The previous prime is 1440206941. The next prime is 1440207023. The reversal of 1440206946 is 6496020441.

1440206946 is a `hidden beast` number, since 1 + 440 + 206 + 9 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1440206946.

It is not an unprimeable number, because it can be changed into a prime (1440206941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118851 + ... + 130406.

It is an arithmetic number, because the mean of its divisors is an integer number (100949490).

Almost surely, 2^1440206946 is an apocalyptic number.

1440206946 is an abundant number, since it is smaller than the sum of its proper divisors (1790176734).

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

1440206946 is a wasteful number, since it uses less digits than its factorization.

1440206946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249375 (or 249369 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1440206946 is about 37950.0585770299. The cubic root of 1440206946 is about 1129.2973275222.

The spelling of 1440206946 in words is "one billion, four hundred forty million, two hundred six thousand, nine hundred forty-six".