400206025036 has 6 divisors (see below), whose sum is σ = 700360543820. Its totient is φ = 200103012516.

The previous prime is 400206025031. The next prime is 400206025061. The reversal of 400206025036 is 630520602004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 400206024995 and 400206025013.

It is not an unprimeable number, because it can be changed into a prime (400206025031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50025753126 + ... + 50025753133.

Almost surely, 2^400206025036 is an apocalyptic number.

It is an amenable number.

400206025036 is a deficient number, since it is larger than the sum of its proper divisors (300154518784).

400206025036 is a wasteful number, since it uses less digits than its factorization.

400206025036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100051506263 (or 100051506261 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 400206025036 in words is "four hundred billion, two hundred six million, twenty-five thousand, thirty-six".