152512440640 has 448 divisors, whose sum is σ = 458224128000. Its totient is φ = 47142273024.

The previous prime is 152512440637. The next prime is 152512440653. The reversal of 152512440640 is 46044215251.

It is a tau number, because it is divible by the number of its divisors (448).

It is a junction number, because it is equal to n+sod(n) for n = 152512440596 and 152512440605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 339671136 + ... + 339671584.

Almost surely, 2^152512440640 is an apocalyptic number.

152512440640 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 152512440640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229112064000).

152512440640 is an abundant number, since it is smaller than the sum of its proper divisors (305711687360).

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

152512440640 is a wasteful number, since it uses less digits than its factorization.

152512440640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 152512440640 its reverse (46044215251), we get a palindrome (198556655891).

The spelling of 152512440640 in words is "one hundred fifty-two billion, five hundred twelve million, four hundred forty thousand, six hundred forty".