234921490840 has 16 divisors (see below), whose sum is σ = 528573354480. Its totient is φ = 93968596320.

The previous prime is 234921490801. The next prime is 234921490847. The reversal of 234921490840 is 48094129432.

It is a super-3 number, since 3×234921490840³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234921490847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2936518596 + ... + 2936518675.

It is an arithmetic number, because the mean of its divisors is an integer number (33035834655).

Almost surely, 2^234921490840 is an apocalyptic number.

234921490840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234921490840 is an abundant number, since it is smaller than the sum of its proper divisors (293651863640).

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

234921490840 is a wasteful number, since it uses less digits than its factorization.

234921490840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5873037282 (or 5873037278 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 234921490840 in words is "two hundred thirty-four billion, nine hundred twenty-one million, four hundred ninety thousand, eight hundred forty".