440412030 has 48 divisors (see below), whose sum is σ = 1212432624. Its totient is φ = 110534400.

The previous prime is 440412029. The next prime is 440412031. The reversal of 440412030 is 30214044.

It is an interprime number because it is at equal distance from previous prime (440412029) and next prime (440412031).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 440411994 and 440412012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440412031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142396 + ... + 145455.

It is an arithmetic number, because the mean of its divisors is an integer number (25259013).

Almost surely, 2^440412030 is an apocalyptic number.

440412030 is an abundant number, since it is smaller than the sum of its proper divisors (772020594).

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

440412030 is a wasteful number, since it uses less digits than its factorization.

440412030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287881 (or 287878 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 440412030 is about 20985.9960449820. The cubic root of 440412030 is about 760.8278317960.

Adding to 440412030 its reverse (30214044), we get a palindrome (470626074).

The spelling of 440412030 in words is "four hundred forty million, four hundred twelve thousand, thirty".