440061694 has 16 divisors (see below), whose sum is σ = 699375600. Its totient is φ = 206953344.

The previous prime is 440061659. The next prime is 440061697. The reversal of 440061694 is 496160044.

It is a super-2 number, since 2×440061694² = 387308589052299272, which contains 22 as substring.

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 (440061697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65797 + ... + 72175.

It is an arithmetic number, because the mean of its divisors is an integer number (43710975).

Almost surely, 2^440061694 is an apocalyptic number.

440061694 is a deficient number, since it is larger than the sum of its proper divisors (259313906).

440061694 is a wasteful number, since it uses less digits than its factorization.

440061694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8427.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 440061694 is about 20977.6474848826. The cubic root of 440061694 is about 760.6260388772.

The spelling of 440061694 in words is "four hundred forty million, sixty-one thousand, six hundred ninety-four".