1400142432340 has 24 divisors (see below), whose sum is σ = 2940328663272. Its totient is φ = 560051343360.

The previous prime is 1400142432323. The next prime is 1400142432463. The reversal of 1400142432340 is 432342410041.

It can be written as a sum of positive squares in 4 ways, for example, as 449025968836 + 951116463504 = 670094^2 + 975252^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1400142432299 and 1400142432308.

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, 2106532 + ... + 2690308.

It is an arithmetic number, because the mean of its divisors is an integer number (122513694303).

Almost surely, 2^{1400142432340} is an apocalyptic number.

1400142432340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400142432340 is an abundant number, since it is smaller than the sum of its proper divisors (1540186230932).

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

1400142432340 is a wasteful number, since it uses less digits than its factorization.

1400142432340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703707 (or 703705 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1400142432340 its reverse (432342410041), we get a palindrome (1832484842381).

The spelling of 1400142432340 in words is "one trillion, four hundred billion, one hundred forty-two million, four hundred thirty-two thousand, three hundred forty".