441402140 has 24 divisors (see below), whose sum is σ = 931658112. Its totient is φ = 175663040.

The previous prime is 441402121. The next prime is 441402173. The reversal of 441402140 is 41204144.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 52076 + ... + 59955.

It is an arithmetic number, because the mean of its divisors is an integer number (38819088).

Almost surely, 2^441402140 is an apocalyptic number.

It is an amenable number.

441402140 is an abundant number, since it is smaller than the sum of its proper divisors (490255972).

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

441402140 is a wasteful number, since it uses less digits than its factorization.

441402140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112237 (or 112235 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 441402140 is about 21009.5725801359. The cubic root of 441402140 is about 761.3975554379.

Adding to 441402140 its reverse (41204144), we get a palindrome (482606284).

The spelling of 441402140 in words is "four hundred forty-one million, four hundred two thousand, one hundred forty".