64540462 has 8 divisors (see below), whose sum is σ = 110640816. Its totient is φ = 27660192.

The previous prime is 64540439. The next prime is 64540471. The reversal of 64540462 is 26404546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2305003 + ... + 2305030.

It is an arithmetic number, because the mean of its divisors is an integer number (13830102).

Almost surely, 2^64540462 is an apocalyptic number.

64540462 is a deficient number, since it is larger than the sum of its proper divisors (46100354).

64540462 is a wasteful number, since it uses less digits than its factorization.

64540462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610042.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 64540462 is about 8033.7078612556. The cubic root of 64540462 is about 401.1228078076.

The spelling of 64540462 in words is "sixty-four million, five hundred forty thousand, four hundred sixty-two".