400350354184663 has 8 divisors (see below), whose sum is σ = 423100395285120. Its totient is φ = 377768210067000.

The previous prime is 400350354184601. The next prime is 400350354184709. The reversal of 400350354184663 is 366481453053004.

It is a happy number.

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 400350354184663 - 2²⁹ = 400349817313751 is a prime.

It is a super-2 number, since 2×400350354184663² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400350354184663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400350354184163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41974240795 + ... + 41974250332.

It is an arithmetic number, because the mean of its divisors is an integer number (52887549410640).

Almost surely, 2^{400350354184663} is an apocalyptic number.

400350354184663 is a deficient number, since it is larger than the sum of its proper divisors (22750041100457).

400350354184663 is a wasteful number, since it uses less digits than its factorization.

400350354184663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83948491397.

The product of its (nonzero) digits is 12441600, while the sum is 52.

The spelling of 400350354184663 in words is "four hundred trillion, three hundred fifty billion, three hundred fifty-four million, one hundred eighty-four thousand, six hundred sixty-three".