357213047224340 has 12 divisors (see below), whose sum is σ = 750147399171156. Its totient is φ = 142885218889728.

The previous prime is 357213047224331. The next prime is 357213047224349. The reversal of 357213047224340 is 43422740312753.

It is an interprime number because it is at equal distance from previous prime (357213047224331) and next prime (357213047224349).

It can be written as a sum of positive squares in 2 ways, for example, as 219267505443856 + 137945541780484 = 14807684^2 + 11745022^2 .

It is a super-2 number, since 2×357213047224340² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (357213047224349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8930326180589 + ... + 8930326180628.

It is an arithmetic number, because the mean of its divisors is an integer number (62512283264263).

Almost surely, 2^{357213047224340} is an apocalyptic number.

It is an amenable number.

357213047224340 is an abundant number, since it is smaller than the sum of its proper divisors (392934351946816).

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

357213047224340 is a wasteful number, since it uses less digits than its factorization.

357213047224340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17860652361226 (or 17860652361224 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 47.

The spelling of 357213047224340 in words is "three hundred fifty-seven trillion, two hundred thirteen billion, forty-seven million, two hundred twenty-four thousand, three hundred forty".