7405552668 has 12 divisors (see below), whose sum is σ = 17279622920. Its totient is φ = 2468517552.

The previous prime is 7405552663. The next prime is 7405552703. The reversal of 7405552668 is 8662555047.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7405552663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308564683 + ... + 308564706.

Almost surely, 2^7405552668 is an apocalyptic number.

It is an amenable number.

7405552668 is an abundant number, since it is smaller than the sum of its proper divisors (9874070252).

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

7405552668 is a wasteful number, since it uses less digits than its factorization.

7405552668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617129396 (or 617129394 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 48.

The square root of 7405552668 is about 86055.5208455564. The cubic root of 7405552668 is about 1949.1824464995.

The spelling of 7405552668 in words is "seven billion, four hundred five million, five hundred fifty-two thousand, six hundred sixty-eight".