400519897066 has 8 divisors (see below), whose sum is σ = 600855850080. Its totient is φ = 200234613708.

The previous prime is 400519897061. The next prime is 400519897069. The reversal of 400519897066 is 660798915004.

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

It is a junction number, because it is equal to n+sod(n) for n = 400519896998 and 400519897016.

It is not an unprimeable number, because it can be changed into a prime (400519897061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12647646 + ... + 12679273.

It is an arithmetic number, because the mean of its divisors is an integer number (75106981260).

Almost surely, 2^400519897066 is an apocalyptic number.

400519897066 is a deficient number, since it is larger than the sum of its proper divisors (200335953014).

400519897066 is a wasteful number, since it uses less digits than its factorization.

400519897066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25334828.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 400519897066 in words is "four hundred billion, five hundred nineteen million, eight hundred ninety-seven thousand, sixty-six".