3992451364400 has 60 divisors (see below), whose sum is σ = 9656239476000. Its totient is φ = 1586262531840.

The previous prime is 3992451364351. The next prime is 3992451364441. The reversal of 3992451364400 is 44631542993.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33434120 + ... + 33553319.

It is an arithmetic number, because the mean of its divisors is an integer number (160937324600).

Almost surely, 2^{3992451364400} is an apocalyptic number.

It is an amenable number.

3992451364400 is an abundant number, since it is smaller than the sum of its proper divisors (5663788111600).

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

3992451364400 is a wasteful number, since it uses less digits than its factorization.

3992451364400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66987606 (or 66987595 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 3992451364400 in words is "three trillion, nine hundred ninety-two billion, four hundred fifty-one million, three hundred sixty-four thousand, four hundred".