65240496 has 60 divisors (see below), whose sum is σ = 183971112. Its totient is φ = 21581568.

The previous prime is 65240479. The next prime is 65240501. The reversal of 65240496 is 69404256.

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

It is a self number, because there is not a number n which added to its sum of digits gives 65240496.

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, 18075 + ... + 21381.

Almost surely, 2^65240496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65240496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91985556).

65240496 is an abundant number, since it is smaller than the sum of its proper divisors (118730616).

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

65240496 is a wasteful number, since it uses less digits than its factorization.

65240496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458 (or 3449 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 65240496 is about 8077.1589064472. The cubic root of 65240496 is about 402.5678467988.

The spelling of 65240496 in words is "sixty-five million, two hundred forty thousand, four hundred ninety-six".