1401035340 has 144 divisors (see below), whose sum is σ = 4215240288. Its totient is φ = 347415552.

The previous prime is 1401035333. The next prime is 1401035341. The reversal of 1401035340 is 435301041.

It is not an unprimeable number, because it can be changed into a prime (1401035341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1173784 + ... + 1174976.

It is an arithmetic number, because the mean of its divisors is an integer number (29272502).

Almost surely, 2^1401035340 is an apocalyptic number.

1401035340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401035340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2107620144).

1401035340 is an abundant number, since it is smaller than the sum of its proper divisors (2814204948).

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

1401035340 is a wasteful number, since it uses less digits than its factorization.

1401035340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1401035340 is about 37430.4066234926. The cubic root of 1401035340 is about 1118.9646416084.

Adding to 1401035340 its reverse (435301041), we get a palindrome (1836336381).

The spelling of 1401035340 in words is "one billion, four hundred one million, thirty-five thousand, three hundred forty".