52403151440 has 80 divisors (see below), whose sum is σ = 133165762560. Its totient is φ = 19091834880.

The previous prime is 52403151421. The next prime is 52403151473. The reversal of 52403151440 is 4415130425.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579320 + ... + 663639.

It is an arithmetic number, because the mean of its divisors is an integer number (1664572032).

Almost surely, 2^52403151440 is an apocalyptic number.

It is an amenable number.

52403151440 is an abundant number, since it is smaller than the sum of its proper divisors (80762611120).

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

52403151440 is a wasteful number, since it uses less digits than its factorization.

52403151440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243020 (or 1243014 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 52403151440 its reverse (4415130425), we get a palindrome (56818281865).

The spelling of 52403151440 in words is "fifty-two billion, four hundred three million, one hundred fifty-one thousand, four hundred forty".