354122540 has 24 divisors (see below), whose sum is σ = 745778880. Its totient is φ = 141244928.

The previous prime is 354122533. The next prime is 354122569. The reversal of 354122540 is 45221453.

It is a happy number.

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, 18020 + ... + 32139.

It is an arithmetic number, because the mean of its divisors is an integer number (31074120).

Almost surely, 2^354122540 is an apocalyptic number.

It is an amenable number.

354122540 is an abundant number, since it is smaller than the sum of its proper divisors (391656340).

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

354122540 is a wasteful number, since it uses less digits than its factorization.

354122540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50521 (or 50519 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 354122540 is about 18818.1439042218. The cubic root of 354122540 is about 707.4860107028.

Adding to 354122540 its reverse (45221453), we get a palindrome (399343993).

The spelling of 354122540 in words is "three hundred fifty-four million, one hundred twenty-two thousand, five hundred forty".