342540026 has 4 divisors (see below), whose sum is σ = 513810042. Its totient is φ = 171270012.

The previous prime is 342539941. The next prime is 342540031. The reversal of 342540026 is 620045243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 307125625 + 35414401 = 17525^2 + 5951^2 .

It is a junction number, because it is equal to n+sod(n) for n = 342539977 and 342540004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85635005 + ... + 85635008.

Almost surely, 2^342540026 is an apocalyptic number.

342540026 is a deficient number, since it is larger than the sum of its proper divisors (171270016).

342540026 is a wasteful number, since it uses less digits than its factorization.

342540026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171270015.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 342540026 is about 18507.8368806298. The cubic root of 342540026 is about 699.6869525397.

Adding to 342540026 its reverse (620045243), we get a palindrome (962585269).

The spelling of 342540026 in words is "three hundred forty-two million, five hundred forty thousand, twenty-six".