652490807400 has 384 divisors, whose sum is σ = 2385466070400. Its totient is φ = 163363737600.

The previous prime is 652490807347. The next prime is 652490807471. The reversal of 652490807400 is 4708094256.

It is a happy number.

652490807400 is a `hidden beast` number, since 6 + 524 + 9 + 0 + 80 + 7 + 40 + 0 = 666.

It is a super-3 number, since 3×652490807400³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38639359 + ... + 38656241.

It is an arithmetic number, because the mean of its divisors is an integer number (6212151225).

Almost surely, 2^652490807400 is an apocalyptic number.

652490807400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652490807400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1192733035200).

652490807400 is an abundant number, since it is smaller than the sum of its proper divisors (1732975263000).

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

652490807400 is a wasteful number, since it uses less digits than its factorization.

652490807400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17346 (or 17331 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 652490807400 in words is "six hundred fifty-two billion, four hundred ninety million, eight hundred seven thousand, four hundred".