400381201747 has 8 divisors (see below), whose sum is σ = 413433538560. Its totient is φ = 387337415880.

The previous prime is 400381201729. The next prime is 400381201763. The reversal of 400381201747 is 747102183004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400381201747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400381201547) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2042497 + ... + 2229922.

It is an arithmetic number, because the mean of its divisors is an integer number (51679192320).

Almost surely, 2^400381201747 is an apocalyptic number.

400381201747 is a deficient number, since it is larger than the sum of its proper divisors (13052336813).

400381201747 is a wasteful number, since it uses less digits than its factorization.

400381201747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275473.

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 400381201747 in words is "four hundred billion, three hundred eighty-one million, two hundred one thousand, seven hundred forty-seven".