1400839722240 has 864 divisors, whose sum is σ = 5493175107840. Its totient is φ = 302746042368.

The previous prime is 1400839722179. The next prime is 1400839722253. The reversal of 1400839722240 is 422279380041.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1400839722192 and 1400839722201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 385161702 + ... + 385165338.

It is an arithmetic number, because the mean of its divisors is an integer number (6357841560).

Almost surely, 2^{1400839722240} is an apocalyptic number.

1400839722240 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 1400839722240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2746587553920).

1400839722240 is an abundant number, since it is smaller than the sum of its proper divisors (4092335385600).

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

1400839722240 is a wasteful number, since it uses less digits than its factorization.

1400839722240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787 (or 3766 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 1400839722240 in words is "one trillion, four hundred billion, eight hundred thirty-nine million, seven hundred twenty-two thousand, two hundred forty".