140444010 has 128 divisors (see below), whose sum is σ = 450662400. Its totient is φ = 30404160.

The previous prime is 140444009. The next prime is 140444023. The reversal of 140444010 is 10444041.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33955 + ... + 37865.

It is an arithmetic number, because the mean of its divisors is an integer number (3520800).

Almost surely, 2^140444010 is an apocalyptic number.

140444010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140444010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225331200).

140444010 is an abundant number, since it is smaller than the sum of its proper divisors (310218390).

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

140444010 is a wasteful number, since it uses less digits than its factorization.

140444010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953 (or 3947 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 140444010 is about 11850.9075601829. The cubic root of 140444010 is about 519.7977640597.

Adding to 140444010 its reverse (10444041), we get a palindrome (150888051).

The spelling of 140444010 in words is "one hundred forty million, four hundred forty-four thousand, ten".