1402143042340 has 24 divisors (see below), whose sum is σ = 2944524203712. Its totient is φ = 560852680800.

The previous prime is 1402143042329. The next prime is 1402143042343. The reversal of 1402143042340 is 432403412041.

It is a super-2 number, since 2×1402143042340² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1402143042299 and 1402143042308.

It is not an unprimeable number, because it can be changed into a prime (1402143042343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3450915 + ... + 3835765.

It is an arithmetic number, because the mean of its divisors is an integer number (122688508488).

Almost surely, 2^{1402143042340} is an apocalyptic number.

1402143042340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402143042340 is an abundant number, since it is smaller than the sum of its proper divisors (1542381161372).

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

1402143042340 is a wasteful number, since it uses less digits than its factorization.

1402143042340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567027 (or 567025 counting only the distinct ones).

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

Adding to 1402143042340 its reverse (432403412041), we get a palindrome (1834546454381).

The spelling of 1402143042340 in words is "one trillion, four hundred two billion, one hundred forty-three million, forty-two thousand, three hundred forty".