53434042040 has 64 divisors (see below), whose sum is σ = 120819366720. Its totient is φ = 21268480000.

The previous prime is 53434042033. The next prime is 53434042043. The reversal of 53434042040 is 4024043435.

53434042040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53434041994 and 53434042012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53434042043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7970690 + ... + 7977390.

It is an arithmetic number, because the mean of its divisors is an integer number (1887802605).

Almost surely, 2^53434042040 is an apocalyptic number.

It is an amenable number.

53434042040 is an abundant number, since it is smaller than the sum of its proper divisors (67385324680).

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

53434042040 is a wasteful number, since it uses less digits than its factorization.

53434042040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7664 (or 7660 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 53434042040 its reverse (4024043435), we get a palindrome (57458085475).

The spelling of 53434042040 in words is "fifty-three billion, four hundred thirty-four million, forty-two thousand, forty".