400410777768 has 32 divisors (see below), whose sum is σ = 1017993506400. Its totient is φ = 131208051008.

The previous prime is 400410777691. The next prime is 400410777803. The reversal of 400410777768 is 867777014004.

It is a happy number.

It is a super-3 number, since 3×400410777768³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 400410777768.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141386571 + ... + 141389402.

It is an arithmetic number, because the mean of its divisors is an integer number (31812297075).

Almost surely, 2^400410777768 is an apocalyptic number.

It is an amenable number.

400410777768 is an abundant number, since it is smaller than the sum of its proper divisors (617582728632).

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

400410777768 is a wasteful number, since it uses less digits than its factorization.

400410777768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282776041 (or 282776037 counting only the distinct ones).

The product of its (nonzero) digits is 1843968, while the sum is 51.

The spelling of 400410777768 in words is "four hundred billion, four hundred ten million, seven hundred seventy-seven thousand, seven hundred sixty-eight".