1400043364 has 24 divisors (see below), whose sum is σ = 2654533728. Its totient is φ = 643520640.

The previous prime is 1400043361. The next prime is 1400043371. The reversal of 1400043364 is 4633400041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1400043361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236482 + ... + 242329.

It is an arithmetic number, because the mean of its divisors is an integer number (110605572).

Almost surely, 2^1400043364 is an apocalyptic number.

It is an amenable number.

1400043364 is a deficient number, since it is larger than the sum of its proper divisors (1254490364).

1400043364 is a wasteful number, since it uses less digits than its factorization.

1400043364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478875 (or 478873 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1400043364 is about 37417.1533390770. The cubic root of 1400043364 is about 1118.7004921591.

The spelling of 1400043364 in words is "one billion, four hundred million, forty-three thousand, three hundred sixty-four".