6149784240 has 60 divisors (see below), whose sum is σ = 20653027824. Its totient is φ = 1639942272.

The previous prime is 6149784149. The next prime is 6149784259. The reversal of 6149784240 is 424879416.

6149784240 is a `hidden beast` number, since 61 + 497 + 84 + 24 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-3 number, since 3×6149784240³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4269964 + ... + 4271403.

Almost surely, 2^6149784240 is an apocalyptic number.

6149784240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6149784240 is an abundant number, since it is smaller than the sum of its proper divisors (14503243584).

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

6149784240 is a wasteful number, since it uses less digits than its factorization.

6149784240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8541386 (or 8541377 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 6149784240 is about 78420.5600592090. The cubic root of 6149784240 is about 1832.1173736003.

The spelling of 6149784240 in words is "six billion, one hundred forty-nine million, seven hundred eighty-four thousand, two hundred forty".