400116046772 has 12 divisors (see below), whose sum is σ = 754064857476. Its totient is φ = 184668944640.

The previous prime is 400116046763. The next prime is 400116046783. The reversal of 400116046772 is 277640611004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49090606096 + 351025440676 = 221564^2 + 592474^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3847269629 + ... + 3847269732.

It is an arithmetic number, because the mean of its divisors is an integer number (62838738123).

Almost surely, 2^400116046772 is an apocalyptic number.

It is an amenable number.

400116046772 is a deficient number, since it is larger than the sum of its proper divisors (353948810704).

400116046772 is a wasteful number, since it uses less digits than its factorization.

400116046772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694539378 (or 7694539376 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

Adding to 400116046772 its reverse (277640611004), we get a palindrome (677756657776).

The spelling of 400116046772 in words is "four hundred billion, one hundred sixteen million, forty-six thousand, seven hundred seventy-two".