406536377450 has 48 divisors (see below), whose sum is σ = 864260112384. Its totient is φ = 139371009600.

The previous prime is 406536377449. The next prime is 406536377477. The reversal of 406536377450 is 54773635604.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4221335 + ... + 4316565.

It is an arithmetic number, because the mean of its divisors is an integer number (18005419008).

Almost surely, 2^406536377450 is an apocalyptic number.

406536377450 is an abundant number, since it is smaller than the sum of its proper divisors (457723734934).

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

406536377450 is a wasteful number, since it uses less digits than its factorization.

406536377450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107447 (or 107442 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 50.

The spelling of 406536377450 in words is "four hundred six billion, five hundred thirty-six million, three hundred seventy-seven thousand, four hundred fifty".