6374691840 has 352 divisors, whose sum is σ = 23027276160. Its totient is φ = 1490944000.

The previous prime is 6374691793. The next prime is 6374691863. The reversal of 6374691840 is 481964736.

It is a tau number, because it is divible by the number of its divisors (352).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 6374691840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4899190 + ... + 4900490.

Almost surely, 2^6374691840 is an apocalyptic number.

6374691840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6374691840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11513638080).

6374691840 is an abundant number, since it is smaller than the sum of its proper divisors (16652584320).

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

6374691840 is a wasteful number, since it uses less digits than its factorization.

6374691840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 6374691840 is about 79841.6673172599. The cubic root of 6374691840 is about 1854.1850072963.

The spelling of 6374691840 in words is "six billion, three hundred seventy-four million, six hundred ninety-one thousand, eight hundred forty".