7340021271342 has 24 divisors (see below), whose sum is σ = 16740399391560. Its totient is φ = 2317901454000.

The previous prime is 7340021271281. The next prime is 7340021271347. The reversal of 7340021271342 is 2431721200437.

7340021271342 is a `hidden beast` number, since 7 + 3 + 40 + 0 + 2 + 1 + 271 + 342 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 7340021271297 and 7340021271306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7340021271347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10731024909 + ... + 10731025592.

It is an arithmetic number, because the mean of its divisors is an integer number (697516641315).

Almost surely, 2^{7340021271342} is an apocalyptic number.

7340021271342 is an abundant number, since it is smaller than the sum of its proper divisors (9400378120218).

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

7340021271342 is a wasteful number, since it uses less digits than its factorization.

7340021271342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21462050528 (or 21462050525 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

Adding to 7340021271342 its reverse (2431721200437), we get a palindrome (9771742471779).

The spelling of 7340021271342 in words is "seven trillion, three hundred forty billion, twenty-one million, two hundred seventy-one thousand, three hundred forty-two".