400788087601 has 8 divisors (see below), whose sum is σ = 438159612384. Its totient is φ = 363572603520.

The previous prime is 400788087599. The next prime is 400788087611. The reversal of 400788087601 is 106780887004.

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

It is a cyclic number.

It is not a de Polignac number, because 400788087601 - 2¹ = 400788087599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400788087611) 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, 39004800 + ... + 39015073.

It is an arithmetic number, because the mean of its divisors is an integer number (54769951548).

Almost surely, 2^400788087601 is an apocalyptic number.

It is an amenable number.

400788087601 is a deficient number, since it is larger than the sum of its proper divisors (37371524783).

400788087601 is a wasteful number, since it uses less digits than its factorization.

400788087601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78020351.

The product of its (nonzero) digits is 602112, while the sum is 49.

The spelling of 400788087601 in words is "four hundred billion, seven hundred eighty-eight million, eighty-seven thousand, six hundred one".