401434650 has 48 divisors (see below), whose sum is σ = 1106179200. Its totient is φ = 107048880.

The previous prime is 401434637. The next prime is 401434669. The reversal of 401434650 is 56434104.

401434650 is a `hidden beast` number, since 4 + 0 + 1 + 4 + 3 + 4 + 650 = 666.

It is a super-2 number, since 2×401434650² = 322299556441245000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 147330 + ... + 150029.

It is an arithmetic number, because the mean of its divisors is an integer number (23045400).

Almost surely, 2^401434650 is an apocalyptic number.

401434650 is an abundant number, since it is smaller than the sum of its proper divisors (704744550).

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

401434650 is a wasteful number, since it uses less digits than its factorization.

401434650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297380 (or 297369 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 401434650 is about 20035.8341478462. The cubic root of 401434650 is about 737.6861313212.

Adding to 401434650 its reverse (56434104), we get a palindrome (457868754).

The spelling of 401434650 in words is "four hundred one million, four hundred thirty-four thousand, six hundred fifty".