60251640 has 64 divisors (see below), whose sum is σ = 181301760. Its totient is φ = 16018560.

The previous prime is 60251627. The next prime is 60251663. The reversal of 60251640 is 4615206.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 60251640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57925 + ... + 58955.

It is an arithmetic number, because the mean of its divisors is an integer number (2832840).

Almost surely, 2^60251640 is an apocalyptic number.

60251640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60251640 is an abundant number, since it is smaller than the sum of its proper divisors (121050120).

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

60251640 is a wasteful number, since it uses less digits than its factorization.

60251640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 60251640 is about 7762.1929890979. The cubic root of 60251640 is about 392.0332992676.

Adding to 60251640 its reverse (4615206), we get a palindrome (64866846).

The spelling of 60251640 in words is "sixty million, two hundred fifty-one thousand, six hundred forty".