652076640 has 72 divisors (see below), whose sum is σ = 2225216448. Its totient is φ = 173886720.

The previous prime is 652076609. The next prime is 652076651. The reversal of 652076640 is 46670256.

652076640 is a `hidden beast` number, since 6 + 5 + 2 + 0 + 7 + 6 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a junction number, because it is equal to n+sod(n) for n = 652076595 and 652076604.

It is a congruent number.

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, 224976 + ... + 227855.

It is an arithmetic number, because the mean of its divisors is an integer number (30905784).

Almost surely, 2^652076640 is an apocalyptic number.

652076640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

652076640 is an abundant number, since it is smaller than the sum of its proper divisors (1573139808).

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

652076640 is a wasteful number, since it uses less digits than its factorization.

652076640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452852 (or 452841 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 652076640 is about 25535.7913525311. The cubic root of 652076640 is about 867.1606204573.

The spelling of 652076640 in words is "six hundred fifty-two million, seventy-six thousand, six hundred forty".