6460986240 has 96 divisors (see below), whose sum is σ = 22310613000. Its totient is φ = 1722928128.

The previous prime is 6460986229. The next prime is 6460986247. The reversal of 6460986240 is 426890646.

6460986240 is a `hidden beast` number, since 6 + 460 + 98 + 62 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6460986247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555090 + ... + 566609.

Almost surely, 2^6460986240 is an apocalyptic number.

6460986240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6460986240 is an abundant number, since it is smaller than the sum of its proper divisors (15849626760).

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

6460986240 is a wasteful number, since it uses less digits than its factorization.

6460986240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121724 (or 1121709 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 6460986240 is about 80380.2602633258. The cubic root of 6460986240 is about 1862.5142550446.

The spelling of 6460986240 in words is "six billion, four hundred sixty million, nine hundred eighty-six thousand, two hundred forty".