234460140040 has 32 divisors (see below), whose sum is σ = 602897503680. Its totient is φ = 80386333632.

The previous prime is 234460140029. The next prime is 234460140043. The reversal of 234460140040 is 40041064432.

It is a super-2 number, since 2×234460140040² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 234460139990 and 234460140008.

It is not an unprimeable number, because it can be changed into a prime (234460140043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418678542 + ... + 418679101.

It is an arithmetic number, because the mean of its divisors is an integer number (18840546990).

Almost surely, 2^234460140040 is an apocalyptic number.

234460140040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234460140040 is an abundant number, since it is smaller than the sum of its proper divisors (368437363640).

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

234460140040 is a wasteful number, since it uses less digits than its factorization.

234460140040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837357661 (or 837357657 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 234460140040 in words is "two hundred thirty-four billion, four hundred sixty million, one hundred forty thousand, forty".