342011440 has 80 divisors (see below), whose sum is σ = 846963648. Its totient is φ = 127991808.

The previous prime is 342011431. The next prime is 342011459. The reversal of 342011440 is 44110243.

342011440 = T₃₁₂ + T₃₁₃ + ... + T₁₂₇₆.

It is a tau number, because it is divible by the number of its divisors (80).

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, 261829 + ... + 263131.

Almost surely, 2^342011440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342011440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423481824).

342011440 is an abundant number, since it is smaller than the sum of its proper divisors (504952208).

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

342011440 is a wasteful number, since it uses less digits than its factorization.

342011440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 342011440 is about 18493.5513084967. The cubic root of 342011440 is about 699.3268631069.

Adding to 342011440 its reverse (44110243), we get a palindrome (386121683).

The spelling of 342011440 in words is "three hundred forty-two million, eleven thousand, four hundred forty".