6495214140 has 72 divisors (see below), whose sum is σ = 20861109360. Its totient is φ = 1630170624.

The previous prime is 6495214073. The next prime is 6495214153. The reversal of 6495214140 is 414125946.

6495214140 is a `hidden beast` number, since 6 + 495 + 21 + 4 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6495214095 and 6495214104.

It is a congruent number.

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, 1058250 + ... + 1064369.

It is an arithmetic number, because the mean of its divisors is an integer number (289737630).

Almost surely, 2^6495214140 is an apocalyptic number.

6495214140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6495214140 is an abundant number, since it is smaller than the sum of its proper divisors (14365895220).

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

6495214140 is a wasteful number, since it uses less digits than its factorization.

6495214140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122651 (or 2122646 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6495214140 is about 80592.8913738675. The cubic root of 6495214140 is about 1865.7974332343.

The spelling of 6495214140 in words is "six billion, four hundred ninety-five million, two hundred fourteen thousand, one hundred forty".