652693440 has 112 divisors (see below), whose sum is σ = 2368369152. Its totient is φ = 149185536.

The previous prime is 652693439. The next prime is 652693451. The reversal of 652693440 is 44396256.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

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, 41844 + ... + 55283.

Almost surely, 2^652693440 is an apocalyptic number.

652693440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

652693440 is an abundant number, since it is smaller than the sum of its proper divisors (1715675712).

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

652693440 is a wasteful number, since it uses less digits than its factorization.

652693440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97154 (or 97144 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 652693440 is about 25547.8656642781. The cubic root of 652693440 is about 867.4339503511.

The spelling of 652693440 in words is "six hundred fifty-two million, six hundred ninety-three thousand, four hundred forty".