671101400 has 48 divisors (see below), whose sum is σ = 1586784600. Its totient is φ = 263886080.

The previous prime is 671101393. The next prime is 671101411. The reversal of 671101400 is 4101176.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16637 + ... + 40236.

Almost surely, 2^671101400 is an apocalyptic number.

It is an amenable number.

671101400 is an abundant number, since it is smaller than the sum of its proper divisors (915683200).

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

671101400 is a wasteful number, since it uses less digits than its factorization.

671101400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56948 (or 56939 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 671101400 is about 25905.6248718304. The cubic root of 671101400 is about 875.5132335965.

Adding to 671101400 its reverse (4101176), we get a palindrome (675202576).

The spelling of 671101400 in words is "six hundred seventy-one million, one hundred one thousand, four hundred".