342045390 has 32 divisors (see below), whose sum is σ = 843098400. Its totient is φ = 88746624.

The previous prime is 342045337. The next prime is 342045409. The reversal of 342045390 is 93540243.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152965 + ... + 155184.

It is an arithmetic number, because the mean of its divisors is an integer number (26346825).

Almost surely, 2^342045390 is an apocalyptic number.

342045390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

342045390 is an abundant number, since it is smaller than the sum of its proper divisors (501053010).

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

342045390 is a wasteful number, since it uses less digits than its factorization.

342045390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308196.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 342045390 is about 18494.4691732420. The cubic root of 342045390 is about 699.3500020614.

The spelling of 342045390 in words is "three hundred forty-two million, forty-five thousand, three hundred ninety".