140400330 has 64 divisors (see below), whose sum is σ = 388896768. Its totient is φ = 31775040.

The previous prime is 140400319. The next prime is 140400341. The reversal of 140400330 is 33004041.

140400330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140400319) and next prime (140400341).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18385 + ... + 24875.

It is an arithmetic number, because the mean of its divisors is an integer number (6076512).

Almost surely, 2^140400330 is an apocalyptic number.

140400330 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 140400330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194448384).

140400330 is an abundant number, since it is smaller than the sum of its proper divisors (248496438).

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

140400330 is a wasteful number, since it uses less digits than its factorization.

140400330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6611.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 140400330 is about 11849.0645200370. The cubic root of 140400330 is about 519.7438704106.

Adding to 140400330 its reverse (33004041), we get a palindrome (173404371).

The spelling of 140400330 in words is "one hundred forty million, four hundred thousand, three hundred thirty".