65090490624 has 180 divisors, whose sum is σ = 204304463440. Its totient is φ = 20554767360.

The previous prime is 65090490617. The next prime is 65090490631. The reversal of 65090490624 is 42609409056.

65090490624 is a `hidden beast` number, since 6 + 50 + 90 + 490 + 6 + 24 = 666.

It is an interprime number because it is at equal distance from previous prime (65090490617) and next prime (65090490631).

It is a self number, because there is not a number n which added to its sum of digits gives 65090490624.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 311379 + ... + 476589.

Almost surely, 2^65090490624 is an apocalyptic number.

65090490624 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65090490624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102152231720).

65090490624 is an abundant number, since it is smaller than the sum of its proper divisors (139213972816).

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

65090490624 is a wasteful number, since it uses less digits than its factorization.

65090490624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165258 (or 165235 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 65090490624 in words is "sixty-five billion, ninety million, four hundred ninety thousand, six hundred twenty-four".