1401094240 has 288 divisors, whose sum is σ = 4235081760. Its totient is φ = 434036736.

The previous prime is 1401094237. The next prime is 1401094249. The reversal of 1401094240 is 424901041.

It is a super-2 number, since 2×1401094240² = 3926130138722355200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401094249) 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, 6013164 + ... + 6013396.

It is an arithmetic number, because the mean of its divisors is an integer number (14705145).

Almost surely, 2^1401094240 is an apocalyptic number.

1401094240 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 1401094240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2117540880).

1401094240 is an abundant number, since it is smaller than the sum of its proper divisors (2833987520).

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

1401094240 is a wasteful number, since it uses less digits than its factorization.

1401094240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1401094240 is about 37431.1934087066. The cubic root of 1401094240 is about 1118.9803219395.

Adding to 1401094240 its reverse (424901041), we get a palindrome (1825995281).

The spelling of 1401094240 in words is "one billion, four hundred one million, ninety-four thousand, two hundred forty".