1402423132340 has 24 divisors (see below), whose sum is σ = 2971151313480. Its totient is φ = 556004922368.

The previous prime is 1402423132339. The next prime is 1402423132349. The reversal of 1402423132340 is 432313242041.

It can be written as a sum of positive squares in 4 ways, for example, as 30648104356 + 1371775027984 = 175066^2 + 1171228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402423132349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310268345 + ... + 310272864.

It is an arithmetic number, because the mean of its divisors is an integer number (123797971395).

Almost surely, 2^{1402423132340} is an apocalyptic number.

1402423132340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402423132340 is an abundant number, since it is smaller than the sum of its proper divisors (1568728181140).

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

1402423132340 is a wasteful number, since it uses less digits than its factorization.

1402423132340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620541331 (or 620541329 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1402423132340 its reverse (432313242041), we get a palindrome (1834736374381).

The spelling of 1402423132340 in words is "one trillion, four hundred two billion, four hundred twenty-three million, one hundred thirty-two thousand, three hundred forty".