53260336440 has 48 divisors (see below), whose sum is σ = 173096094600. Its totient is φ = 14202756288.

The previous prime is 53260336433. The next prime is 53260336463. The reversal of 53260336440 is 4463306235.

53260336440 is a `hidden beast` number, since 5 + 3 + 2 + 6 + 0 + 3 + 3 + 644 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 53260336395 and 53260336404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73972330 + ... + 73973049.

Almost surely, 2^53260336440 is an apocalyptic number.

It is an amenable number.

53260336440 is an abundant number, since it is smaller than the sum of its proper divisors (119835758160).

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

53260336440 is a wasteful number, since it uses less digits than its factorization.

53260336440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147945396 (or 147945389 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

The spelling of 53260336440 in words is "fifty-three billion, two hundred sixty million, three hundred thirty-six thousand, four hundred forty".