6462440 has 16 divisors (see below), whose sum is σ = 14540580. Its totient is φ = 2584960.

The previous prime is 6462439. The next prime is 6462473. The reversal of 6462440 is 442646.

It can be written as a sum of positive squares in 2 ways, for example, as 6461764 + 676 = 2542^2 + 26^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80741 + ... + 80820.

Almost surely, 2^6462440 is an apocalyptic number.

It is an amenable number.

6462440 is an abundant number, since it is smaller than the sum of its proper divisors (8078140).

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

6462440 is a wasteful number, since it uses less digits than its factorization.

6462440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161572 (or 161568 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 6462440 is about 2542.1329626910. The cubic root of 6462440 is about 186.2653936798.

The spelling of 6462440 in words is "six million, four hundred sixty-two thousand, four hundred forty".