67535553340 has 12 divisors (see below), whose sum is σ = 141824662056. Its totient is φ = 27014221328.

The previous prime is 67535553329. The next prime is 67535553389. The reversal of 67535553340 is 4335553576.

It is a super-2 number, since 2×67535553340² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688388814 + ... + 1688388853.

It is an arithmetic number, because the mean of its divisors is an integer number (11818721838).

Almost surely, 2^67535553340 is an apocalyptic number.

It is an amenable number.

67535553340 is an abundant number, since it is smaller than the sum of its proper divisors (74289108716).

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

67535553340 is a wasteful number, since it uses less digits than its factorization.

67535553340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376777676 (or 3376777674 counting only the distinct ones).

The product of its (nonzero) digits is 2835000, while the sum is 46.

The spelling of 67535553340 in words is "sixty-seven billion, five hundred thirty-five million, five hundred fifty-three thousand, three hundred forty".