342514440 has 128 divisors (see below), whose sum is σ = 1155772800. Its totient is φ = 90213120.

The previous prime is 342514433. The next prime is 342514441. The reversal of 342514440 is 44415243.

It is a happy number.

It is a super-2 number, since 2×342514440² = 234632283217027200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (342514441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87730 + ... + 91550.

It is an arithmetic number, because the mean of its divisors is an integer number (9029475).

Almost surely, 2^342514440 is an apocalyptic number.

342514440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342514440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577886400).

342514440 is an abundant number, since it is smaller than the sum of its proper divisors (813258360).

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

342514440 is a wasteful number, since it uses less digits than its factorization.

342514440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3924 (or 3914 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 342514440 is about 18507.1456470197. The cubic root of 342514440 is about 699.6695310855.

Adding to 342514440 its reverse (44415243), we get a palindrome (386929683).

The spelling of 342514440 in words is "three hundred forty-two million, five hundred fourteen thousand, four hundred forty".