240023420234 has 32 divisors (see below), whose sum is σ = 400457557584. Its totient is φ = 107200903680.

The previous prime is 240023420233. The next prime is 240023420237. The reversal of 240023420234 is 432024320042.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 74575417225 + 165448003009 = 273085^2 + 406753^2 .

It is a super-2 number, since 2×240023420234² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (240023420233) 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, 1092437 + ... + 1293624.

Almost surely, 2^240023420234 is an apocalyptic number.

240023420234 is a deficient number, since it is larger than the sum of its proper divisors (160434137350).

240023420234 is a wasteful number, since it uses less digits than its factorization.

240023420234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386202.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 240023420234 its reverse (432024320042), we get a palindrome (672047740276).

The spelling of 240023420234 in words is "two hundred forty billion, twenty-three million, four hundred twenty thousand, two hundred thirty-four".