153043552440 has 128 divisors (see below), whose sum is σ = 511567488000. Its totient is φ = 40697829504.

The previous prime is 153043552393. The next prime is 153043552451. The reversal of 153043552440 is 44255340351.

153043552440 is a `hidden beast` number, since 1 + 53 + 0 + 43 + 5 + 524 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 153043552395 and 153043552404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190357 + ... + 585083.

It is an arithmetic number, because the mean of its divisors is an integer number (3996621000).

Almost surely, 2^153043552440 is an apocalyptic number.

153043552440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153043552440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255783744000).

153043552440 is an abundant number, since it is smaller than the sum of its proper divisors (358523935560).

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

153043552440 is a wasteful number, since it uses less digits than its factorization.

153043552440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395106 (or 395096 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 153043552440 its reverse (44255340351), we get a palindrome (197298892791).

The spelling of 153043552440 in words is "one hundred fifty-three billion, forty-three million, five hundred fifty-two thousand, four hundred forty".