1400646412 has 12 divisors (see below), whose sum is σ = 2673961416. Its totient is φ = 636657440.

The previous prime is 1400646409. The next prime is 1400646419. The reversal of 1400646412 is 2146460041.

It is not an unprimeable number, because it can be changed into a prime (1400646419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15916393 + ... + 15916480.

It is an arithmetic number, because the mean of its divisors is an integer number (222830118).

Almost surely, 2^1400646412 is an apocalyptic number.

It is an amenable number.

1400646412 is a deficient number, since it is larger than the sum of its proper divisors (1273315004).

1400646412 is a wasteful number, since it uses less digits than its factorization.

1400646412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31832888 (or 31832886 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1400646412 is about 37425.2109145693. The cubic root of 1400646412 is about 1118.8610903407.

The spelling of 1400646412 in words is "one billion, four hundred million, six hundred forty-six thousand, four hundred twelve".