6458040 has 48 divisors (see below), whose sum is σ = 20989800. Its totient is φ = 1722048.

The previous prime is 6458021. The next prime is 6458059. The reversal of 6458040 is 408546.

It is an interprime number because it is at equal distance from previous prime (6458021) and next prime (6458059).

It is a junction number, because it is equal to n+sod(n) for n = 6457995 and 6458013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8610 + ... + 9329.

Almost surely, 2^6458040 is an apocalyptic number.

6458040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6458040 is an abundant number, since it is smaller than the sum of its proper divisors (14531760).

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

6458040 is a wasteful number, since it uses less digits than its factorization.

6458040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17956 (or 17949 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 6458040 is about 2541.2674003339. The cubic root of 6458040 is about 186.2231106925.

It can be divided in two parts, 64580 and 40, that added together give a triangular number (64620 = T₃₅₉).

The spelling of 6458040 in words is "six million, four hundred fifty-eight thousand, forty".