153520400442 has 64 divisors (see below), whose sum is σ = 319360204800. Its totient is φ = 49146004800.

The previous prime is 153520400417. The next prime is 153520400443. The reversal of 153520400442 is 244004025351.

It is not an unprimeable number, because it can be changed into a prime (153520400443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46086717 + ... + 46090047.

It is an arithmetic number, because the mean of its divisors is an integer number (4990003200).

Almost surely, 2^153520400442 is an apocalyptic number.

153520400442 is an abundant number, since it is smaller than the sum of its proper divisors (165839804358).

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

153520400442 is a wasteful number, since it uses less digits than its factorization.

153520400442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5179.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 153520400442 its reverse (244004025351), we get a palindrome (397524425793).

The spelling of 153520400442 in words is "one hundred fifty-three billion, five hundred twenty million, four hundred thousand, four hundred forty-two".