6149474799840 has 192 divisors, whose sum is σ = 22048117600320. Its totient is φ = 1599863316480.

The previous prime is 6149474799803. The next prime is 6149474799899. The reversal of 6149474799840 is 489974749416.

6149474799840 is a `hidden beast` number, since 6 + 1 + 4 + 9 + 474 + 79 + 9 + 84 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17182509 + ... + 17536748.

It is an arithmetic number, because the mean of its divisors is an integer number (114833945835).

Almost surely, 2^{6149474799840} is an apocalyptic number.

6149474799840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6149474799840 is an abundant number, since it is smaller than the sum of its proper divisors (15898642800480).

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

6149474799840 is a wasteful number, since it uses less digits than its factorization.

6149474799840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34719322 (or 34719308 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 72.

The spelling of 6149474799840 in words is "six trillion, one hundred forty-nine billion, four hundred seventy-four million, seven hundred ninety-nine thousand, eight hundred forty".