6181040 has 20 divisors (see below), whose sum is σ = 14371104. Its totient is φ = 2472384.

The previous prime is 6181033. The next prime is 6181057. The reversal of 6181040 is 401816.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 38552 + ... + 38711.

Almost surely, 2^6181040 is an apocalyptic number.

It is an amenable number.

6181040 is an abundant number, since it is smaller than the sum of its proper divisors (8190064).

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

6181040 is a wasteful number, since it uses less digits than its factorization.

6181040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77276 (or 77270 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 6181040 is about 2486.1697448083. The cubic root of 6181040 is about 183.5215990731.

Adding to 6181040 its reverse (401816), we get a palindrome (6582856).

The spelling of 6181040 in words is "six million, one hundred eighty-one thousand, forty".