65041380 has 96 divisors (see below), whose sum is σ = 204986880. Its totient is φ = 17332704.

The previous prime is 65041367. The next prime is 65041381. The reversal of 65041380 is 8314056.

65041380 is a `hidden beast` number, since 650 + 4 + 1 + 3 + 8 + 0 = 666.

It is a super-2 number, since 2×65041380² = 8460762224608800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (65041381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42997 + ... + 44483.

It is an arithmetic number, because the mean of its divisors is an integer number (2135280).

Almost surely, 2^65041380 is an apocalyptic number.

65041380 is a gapful number since it is divisible by the number (60) 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 65041380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102493440).

65041380 is an abundant number, since it is smaller than the sum of its proper divisors (139945500).

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

65041380 is a wasteful number, since it uses less digits than its factorization.

65041380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 65041380 is about 8064.8236186540. The cubic root of 65041380 is about 402.1578796221.

The spelling of 65041380 in words is "sixty-five million, forty-one thousand, three hundred eighty".