53142245040 has 80 divisors (see below), whose sum is σ = 165010161888. Its totient is φ = 14148108288.

The previous prime is 53142245027. The next prime is 53142245077. The reversal of 53142245040 is 4054224135.

53142245040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 53142244989 and 53142245007.

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, 33489 + ... + 327728.

Almost surely, 2^53142245040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53142245040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82505080944).

53142245040 is an abundant number, since it is smaller than the sum of its proper divisors (111867916848).

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

53142245040 is a wasteful number, since it uses less digits than its factorization.

53142245040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361846 (or 361840 counting only the distinct ones).

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

Adding to 53142245040 its reverse (4054224135), we get a palindrome (57196469175).

The spelling of 53142245040 in words is "fifty-three billion, one hundred forty-two million, two hundred forty-five thousand, forty".