5640177381 has 16 divisors (see below), whose sum is σ = 7601106240. Its totient is φ = 3719900160.

The previous prime is 5640177377. The next prime is 5640177401. The reversal of 5640177381 is 1837710465.

It is not a de Polignac number, because 5640177381 - 2² = 5640177377 is a prime.

It is a super-2 number, since 2×5640177381² = 63623201778288038322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640177371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77890 + ... + 131708.

It is an arithmetic number, because the mean of its divisors is an integer number (475069140).

Almost surely, 2^5640177381 is an apocalyptic number.

It is an amenable number.

5640177381 is a deficient number, since it is larger than the sum of its proper divisors (1960928859).

5640177381 is a wasteful number, since it uses less digits than its factorization.

5640177381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54196.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 5640177381 is about 75101.1143792154. The cubic root of 5640177381 is about 1780.0447513262.

The spelling of 5640177381 in words is "five billion, six hundred forty million, one hundred seventy-seven thousand, three hundred eighty-one".