64460340 has 96 divisors (see below), whose sum is σ = 229205760. Its totient is φ = 14732928.

The previous prime is 64460339. The next prime is 64460351. The reversal of 64460340 is 4306446.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4747 + ... + 12306.

It is an arithmetic number, because the mean of its divisors is an integer number (2387560).

Almost surely, 2^64460340 is an apocalyptic number.

64460340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64460340 is an abundant number, since it is smaller than the sum of its proper divisors (164745420).

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

64460340 is a wasteful number, since it uses less digits than its factorization.

64460340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17078 (or 17070 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 64460340 is about 8028.7196986817. The cubic root of 64460340 is about 400.9567514090.

Adding to 64460340 its reverse (4306446), we get a palindrome (68766786).

The spelling of 64460340 in words is "sixty-four million, four hundred sixty thousand, three hundred forty".