1400032220240 has 40 divisors (see below), whose sum is σ = 3260385099528. Its totient is φ = 559099307520.

The previous prime is 1400032220239. The next prime is 1400032220261. The reversal of 1400032220240 is 420222300041.

It can be written as a sum of positive squares in 4 ways, for example, as 140412080656 + 1259620139584 = 374716^2 + 1122328^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14225351 + ... + 14323430.

Almost surely, 2^{1400032220240} is an apocalyptic number.

1400032220240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400032220240 is an abundant number, since it is smaller than the sum of its proper divisors (1860352879288).

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

1400032220240 is a wasteful number, since it uses less digits than its factorization.

1400032220240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28549407 (or 28549401 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 1400032220240 its reverse (420222300041), we get a palindrome (1820254520281).

The spelling of 1400032220240 in words is "one trillion, four hundred billion, thirty-two million, two hundred twenty thousand, two hundred forty".