1400463856 has 40 divisors (see below), whose sum is σ = 3115872000. Its totient is φ = 603069120.

The previous prime is 1400463847. The next prime is 1400463863. The reversal of 1400463856 is 6583640041.

It is a happy number.

It is a super-2 number, since 2×1400463856² = 3922598023924777472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206056 + ... + 212743.

It is an arithmetic number, because the mean of its divisors is an integer number (77896800).

Almost surely, 2^1400463856 is an apocalyptic number.

1400463856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1400463856 is an abundant number, since it is smaller than the sum of its proper divisors (1715408144).

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

1400463856 is a wasteful number, since it uses less digits than its factorization.

1400463856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418837 (or 418831 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 1400463856 is about 37422.7718909222. The cubic root of 1400463856 is about 1118.8124785764.

The spelling of 1400463856 in words is "one billion, four hundred million, four hundred sixty-three thousand, eight hundred fifty-six".