1400140255340 has 96 divisors (see below), whose sum is σ = 3115900569600. Its totient is φ = 527689451520.

The previous prime is 1400140255337. The next prime is 1400140255363. The reversal of 1400140255340 is 435520410041.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4337456 + ... + 4649064.

It is an arithmetic number, because the mean of its divisors is an integer number (32457297600).

Almost surely, 2^{1400140255340} is an apocalyptic number.

1400140255340 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 1400140255340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1557950284800).

1400140255340 is an abundant number, since it is smaller than the sum of its proper divisors (1715760314260).

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

1400140255340 is a wasteful number, since it uses less digits than its factorization.

1400140255340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311835 (or 311833 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 1400140255340 its reverse (435520410041), we get a palindrome (1835660665381).

The spelling of 1400140255340 in words is "one trillion, four hundred billion, one hundred forty million, two hundred fifty-five thousand, three hundred forty".