405502441426 has 4 divisors (see below), whose sum is σ = 608253662142. Its totient is φ = 202751220712.

The previous prime is 405502441387. The next prime is 405502441451. The reversal of 405502441426 is 624144205504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 388878207201 + 16624234225 = 623601^2 + 128935^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101375610355 + ... + 101375610358.

Almost surely, 2^405502441426 is an apocalyptic number.

405502441426 is a deficient number, since it is larger than the sum of its proper divisors (202751220716).

405502441426 is a wasteful number, since it uses less digits than its factorization.

405502441426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202751220715.

The product of its (nonzero) digits is 153600, while the sum is 37.

The spelling of 405502441426 in words is "four hundred five billion, five hundred two million, four hundred forty-one thousand, four hundred twenty-six".