153230010440 has 32 divisors (see below), whose sum is σ = 371288103480. Its totient is φ = 56577234432.

The previous prime is 153230010403. The next prime is 153230010449. The reversal of 153230010440 is 44010032351.

It can be written as a sum of positive squares in 4 ways, for example, as 49008218884 + 104221791556 = 221378^2 + 322834^2 .

It is not an unprimeable number, because it can be changed into a prime (153230010449) 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, 147336029 + ... + 147337068.

Almost surely, 2^153230010440 is an apocalyptic number.

153230010440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153230010440 is an abundant number, since it is smaller than the sum of its proper divisors (218058093040).

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

153230010440 is a wasteful number, since it uses less digits than its factorization.

153230010440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294673121 (or 294673117 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 153230010440 its reverse (44010032351), we get a palindrome (197240042791).

The spelling of 153230010440 in words is "one hundred fifty-three billion, two hundred thirty million, ten thousand, four hundred forty".