340450233240 has 64 divisors (see below), whose sum is σ = 1099916143200. Its totient is φ = 83803133952.

The previous prime is 340450233209. The next prime is 340450233241. The reversal of 340450233240 is 42332054043.

It is a super-2 number, since 2×340450233240² (a number of 24 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 340450233198 and 340450233207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340450233241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109117105 + ... + 109120224.

Almost surely, 2^340450233240 is an apocalyptic number.

340450233240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340450233240 is an abundant number, since it is smaller than the sum of its proper divisors (759465909960).

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

340450233240 is a wasteful number, since it uses less digits than its factorization.

340450233240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218237356 (or 218237352 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 340450233240 its reverse (42332054043), we get a palindrome (382782287283).

The spelling of 340450233240 in words is "three hundred forty billion, four hundred fifty million, two hundred thirty-three thousand, two hundred forty".