53695405440 has 160 divisors (see below), whose sum is σ = 191756172960. Its totient is φ = 14318760960.

The previous prime is 53695405417. The next prime is 53695405493. The reversal of 53695405440 is 4450459635.

53695405440 is a `hidden beast` number, since 5 + 3 + 69 + 5 + 40 + 544 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 466056 + ... + 569735.

It is an arithmetic number, because the mean of its divisors is an integer number (1198476081).

Almost surely, 2^53695405440 is an apocalyptic number.

It is an amenable number.

53695405440 is an abundant number, since it is smaller than the sum of its proper divisors (138060767520).

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

53695405440 is a wasteful number, since it uses less digits than its factorization.

53695405440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035822 (or 1035801 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 53695405440 in words is "fifty-three billion, six hundred ninety-five million, four hundred five thousand, four hundred forty".