2064451464 has 48 divisors (see below), whose sum is σ = 5628280320. Its totient is φ = 683589600.

The previous prime is 2064451439. The next prime is 2064451481. The reversal of 2064451464 is 4641544602.

2064451464 is a `hidden beast` number, since 2 + 0 + 644 + 5 + 1 + 4 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84072 + ... + 105815.

It is an arithmetic number, because the mean of its divisors is an integer number (117255840).

Almost surely, 2^2064451464 is an apocalyptic number.

2064451464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2064451464 is an abundant number, since it is smaller than the sum of its proper divisors (3563828856).

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

2064451464 is a wasteful number, since it uses less digits than its factorization.

2064451464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190050 (or 190043 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 2064451464 is about 45436.2351433303. The cubic root of 2064451464 is about 1273.3121768244.

The spelling of 2064451464 in words is "two billion, sixty-four million, four hundred fifty-one thousand, four hundred sixty-four".