652264140 has 48 divisors (see below), whose sum is σ = 1992372480. Its totient is φ = 158124480.

The previous prime is 652264139. The next prime is 652264147. The reversal of 652264140 is 41462256.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 652264098 and 652264107.

It is not an unprimeable number, because it can be changed into a prime (652264147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493480 + ... + 494799.

It is an arithmetic number, because the mean of its divisors is an integer number (41507760).

Almost surely, 2^652264140 is an apocalyptic number.

652264140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

652264140 is an abundant number, since it is smaller than the sum of its proper divisors (1340108340).

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

652264140 is a wasteful number, since it uses less digits than its factorization.

652264140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988302 (or 988300 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 652264140 is about 25539.4624062450. The cubic root of 652264140 is about 867.2437277818.

The spelling of 652264140 in words is "six hundred fifty-two million, two hundred sixty-four thousand, one hundred forty".