609974807400 has 576 divisors, whose sum is σ = 2449075749120. Its totient is φ = 133025587200.

The previous prime is 609974807381. The next prime is 609974807417. The reversal of 609974807400 is 4708479906.

It is a happy number.

609974807400 is a `hidden beast` number, since 6 + 0 + 9 + 97 + 480 + 74 + 0 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 125480970 + ... + 125485830.

It is an arithmetic number, because the mean of its divisors is an integer number (4251867620).

Almost surely, 2^609974807400 is an apocalyptic number.

609974807400 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 609974807400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224537874560).

609974807400 is an abundant number, since it is smaller than the sum of its proper divisors (1839100941720).

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

609974807400 is a wasteful number, since it uses less digits than its factorization.

609974807400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5346 (or 5334 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 609974807400 in words is "six hundred nine billion, nine hundred seventy-four million, eight hundred seven thousand, four hundred".