1400052390240 has 288 divisors, whose sum is σ = 5144755603680. Its totient is φ = 319103533056.

The previous prime is 1400052390227. The next prime is 1400052390367. The reversal of 1400052390240 is 420932500041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1400052390198 and 1400052390207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8218246 + ... + 8386874.

It is an arithmetic number, because the mean of its divisors is an integer number (17863734735).

Almost surely, 2^{1400052390240} is an apocalyptic number.

1400052390240 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 1400052390240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2572377801840).

1400052390240 is an abundant number, since it is smaller than the sum of its proper divisors (3744703213440).

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

1400052390240 is a wasteful number, since it uses less digits than its factorization.

1400052390240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169014 (or 168999 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 1400052390240 its reverse (420932500041), we get a palindrome (1820984890281).

The spelling of 1400052390240 in words is "one trillion, four hundred billion, fifty-two million, three hundred ninety thousand, two hundred forty".