53326489040 has 80 divisors (see below), whose sum is σ = 136594757376. Its totient is φ = 19199424000.

The previous prime is 53326489037. The next prime is 53326489091. The reversal of 53326489040 is 4098462335.

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 (44).

It is a junction number, because it is equal to n+sod(n) for n = 53326488982 and 53326489000.

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, 211112 + ... + 388871.

Almost surely, 2^53326489040 is an apocalyptic number.

It is an amenable number.

53326489040 is an abundant number, since it is smaller than the sum of its proper divisors (83268268336).

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

53326489040 is a wasteful number, since it uses less digits than its factorization.

53326489040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600108 (or 600102 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 53326489040 in words is "fifty-three billion, three hundred twenty-six million, four hundred eighty-nine thousand, forty".