999960073400 has 24 divisors (see below), whose sum is σ = 2324907171120. Its totient is φ = 399984029280.

The previous prime is 999960073369. The next prime is 999960073433. The reversal of 999960073400 is 4370069999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2499899984 + ... + 2499900383.

It is an arithmetic number, because the mean of its divisors is an integer number (96871132130).

Almost surely, 2^999960073400 is an apocalyptic number.

It is an amenable number.

999960073400 is an abundant number, since it is smaller than the sum of its proper divisors (1324947097720).

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

999960073400 is a wasteful number, since it uses less digits than its factorization.

999960073400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999800383 (or 4999800374 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 56.

The spelling of 999960073400 in words is "nine hundred ninety-nine billion, nine hundred sixty million, seventy-three thousand, four hundred".