234011400240 has 40 divisors (see below), whose sum is σ = 725435341488. Its totient is φ = 62403040000.

The previous prime is 234011400193. The next prime is 234011400251. The reversal of 234011400240 is 42004110432.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×234011400240² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487523511 + ... + 487523990.

Almost surely, 2^234011400240 is an apocalyptic number.

234011400240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234011400240 is an abundant number, since it is smaller than the sum of its proper divisors (491423941248).

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

234011400240 is a wasteful number, since it uses less digits than its factorization.

234011400240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975047517 (or 975047511 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 234011400240 its reverse (42004110432), we get a palindrome (276015510672).

The spelling of 234011400240 in words is "two hundred thirty-four billion, eleven million, four hundred thousand, two hundred forty".