652913040 has 80 divisors (see below), whose sum is σ = 2179735488. Its totient is φ = 160716288.

The previous prime is 652913021. The next prime is 652913077. The reversal of 652913040 is 40319256.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 652912989 and 652913007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101514 + ... + 107753.

Almost surely, 2^652913040 is an apocalyptic number.

652913040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

652913040 is an abundant number, since it is smaller than the sum of its proper divisors (1526822448).

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

652913040 is a wasteful number, since it uses less digits than its factorization.

652913040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209296 (or 209290 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 652913040 is about 25552.1631178262. The cubic root of 652913040 is about 867.5312227327.

The spelling of 652913040 in words is "six hundred fifty-two million, nine hundred thirteen thousand, forty".