5640155420 has 24 divisors (see below), whose sum is σ = 11858247744. Its totient is φ = 2253410496.

The previous prime is 5640155401. The next prime is 5640155533. The reversal of 5640155420 is 245510465.

It is a super-2 number, since 2×5640155420² = 63622706323510752800, which 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 7 ways as a sum of consecutive naturals, for example, 148244 + ... + 182363.

It is an arithmetic number, because the mean of its divisors is an integer number (494093656).

Almost surely, 2^5640155420 is an apocalyptic number.

It is an amenable number.

5640155420 is an abundant number, since it is smaller than the sum of its proper divisors (6218092324).

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

5640155420 is a wasteful number, since it uses less digits than its factorization.

5640155420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331469 (or 331467 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 5640155420 is about 75100.9681695250. The cubic root of 5640155420 is about 1780.0424410198.

Adding to 5640155420 its reverse (245510465), we get a palindrome (5885665885).

The spelling of 5640155420 in words is "five billion, six hundred forty million, one hundred fifty-five thousand, four hundred twenty".