406534813250 has 32 divisors (see below), whose sum is σ = 779594974704. Its totient is φ = 158647728000.

The previous prime is 406534813207. The next prime is 406534813259. The reversal of 406534813250 is 52318435604.

It can be written as a sum of positive squares in 8 ways, for example, as 20311095289 + 386223717961 = 142517^2 + 621469^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 406534813198 and 406534813207.

It is not an unprimeable number, because it can be changed into a prime (406534813259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19820717 + ... + 19841216.

Almost surely, 2^406534813250 is an apocalyptic number.

406534813250 is a deficient number, since it is larger than the sum of its proper divisors (373060161454).

406534813250 is a wasteful number, since it uses less digits than its factorization.

406534813250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39661991 (or 39661981 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 406534813250 in words is "four hundred six billion, five hundred thirty-four million, eight hundred thirteen thousand, two hundred fifty".