201524540030 has 256 divisors, whose sum is σ = 438149606400. Its totient is φ = 66003517440.

The previous prime is 201524540023. The next prime is 201524540057. The reversal of 201524540030 is 30045425102.

It is a happy number.

It is a super-2 number, since 2×201524540030² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 299441774 + ... + 299442446.

It is an arithmetic number, because the mean of its divisors is an integer number (1711521900).

Almost surely, 2^201524540030 is an apocalyptic number.

201524540030 is an abundant number, since it is smaller than the sum of its proper divisors (236625066370).

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

201524540030 is a wasteful number, since it uses less digits than its factorization.

201524540030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 201524540030 its reverse (30045425102), we get a palindrome (231569965132).

The spelling of 201524540030 in words is "two hundred one billion, five hundred twenty-four million, five hundred forty thousand, thirty".