5040640381 has 16 divisors (see below), whose sum is σ = 5881809024. Its totient is φ = 4230664704.

The previous prime is 5040640373. The next prime is 5040640411. The reversal of 5040640381 is 1830460405.

It is a happy number.

It is not a de Polignac number, because 5040640381 - 2³ = 5040640373 is a prime.

It is a super-2 number, since 2×5040640381² = 50816110901135650322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5040640361) 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, 27265 + ... + 104041.

It is an arithmetic number, because the mean of its divisors is an integer number (367613064).

Almost surely, 2^5040640381 is an apocalyptic number.

It is an amenable number.

5040640381 is a deficient number, since it is larger than the sum of its proper divisors (841168643).

5040640381 is a wasteful number, since it uses less digits than its factorization.

5040640381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76980.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 5040640381 is about 70997.4674266625. The cubic root of 5040640381 is about 1714.5963890256.

The spelling of 5040640381 in words is "five billion, forty million, six hundred forty thousand, three hundred eighty-one".