1402144220040 has 128 divisors (see below), whose sum is σ = 4289327827200. Its totient is φ = 366608563200.

The previous prime is 1402144220003. The next prime is 1402144220063. The reversal of 1402144220040 is 400224412041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 686766 + ... + 1809954.

It is an arithmetic number, because the mean of its divisors is an integer number (33510373650).

Almost surely, 2^{1402144220040} is an apocalyptic number.

1402144220040 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 1402144220040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2144663913600).

1402144220040 is an abundant number, since it is smaller than the sum of its proper divisors (2887183607160).

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

1402144220040 is a wasteful number, since it uses less digits than its factorization.

1402144220040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123407 (or 1123403 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 1402144220040 its reverse (400224412041), we get a palindrome (1802368632081).

The spelling of 1402144220040 in words is "one trillion, four hundred two billion, one hundred forty-four million, two hundred twenty thousand, forty".