6197617440 has 144 divisors (see below), whose sum is σ = 24170747328. Its totient is φ = 1416595968.

The previous prime is 6197617403. The next prime is 6197617457. The reversal of 6197617440 is 447167916.

6197617440 is a `hidden beast` number, since 6 + 197 + 6 + 17 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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 23 ways as a sum of consecutive naturals, for example, 297342 + ... + 317501.

It is an arithmetic number, because the mean of its divisors is an integer number (167852412).

Almost surely, 2^6197617440 is an apocalyptic number.

6197617440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6197617440 is an abundant number, since it is smaller than the sum of its proper divisors (17973129888).

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

6197617440 is a wasteful number, since it uses less digits than its factorization.

6197617440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614871 (or 614860 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 6197617440 is about 78724.9480152258. The cubic root of 6197617440 is about 1836.8551984418.

The spelling of 6197617440 in words is "six billion, one hundred ninety-seven million, six hundred seventeen thousand, four hundred forty".