354430652140 has 24 divisors (see below), whose sum is σ = 745149246912. Its totient is φ = 141611331840.

The previous prime is 354430652117. The next prime is 354430652171. The reversal of 354430652140 is 41256034453.

It is a self number, because there is not a number n which added to its sum of digits gives 354430652140.

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, 10040004 + ... + 10075243.

It is an arithmetic number, because the mean of its divisors is an integer number (31047885288).

Almost surely, 2^354430652140 is an apocalyptic number.

It is an amenable number.

354430652140 is an abundant number, since it is smaller than the sum of its proper divisors (390718594772).

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

354430652140 is a wasteful number, since it uses less digits than its factorization.

354430652140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20116137 (or 20116135 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 354430652140 its reverse (41256034453), we get a palindrome (395686686593).

The spelling of 354430652140 in words is "three hundred fifty-four billion, four hundred thirty million, six hundred fifty-two thousand, one hundred forty".