440477070 has 64 divisors (see below), whose sum is σ = 1156709376. Its totient is φ = 106462080.

The previous prime is 440477053. The next prime is 440477077. The reversal of 440477070 is 70774044.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440477077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119292 + ... + 122928.

It is an arithmetic number, because the mean of its divisors is an integer number (18073584).

Almost surely, 2^440477070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440477070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578354688).

440477070 is an abundant number, since it is smaller than the sum of its proper divisors (716232306).

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

440477070 is a wasteful number, since it uses less digits than its factorization.

440477070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 440477070 is about 20987.5455925651. The cubic root of 440477070 is about 760.8652829426.

The spelling of 440477070 in words is "four hundred forty million, four hundred seventy-seven thousand, seventy".