1400043056 has 40 divisors (see below), whose sum is σ = 2784732480. Its totient is φ = 681647616.

The previous prime is 1400043019. The next prime is 1400043067. The reversal of 1400043056 is 6503400041.

It is a happy 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, 84686 + ... + 99858.

It is an arithmetic number, because the mean of its divisors is an integer number (69618312).

Almost surely, 2^1400043056 is an apocalyptic number.

1400043056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1400043056 is a deficient number, since it is larger than the sum of its proper divisors (1384689424).

1400043056 is a wasteful number, since it uses less digits than its factorization.

1400043056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15333 (or 15327 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1400043056 is about 37417.1492233174. The cubic root of 1400043056 is about 1118.7004101236.

Adding to 1400043056 its reverse (6503400041), we get a palindrome (7903443097).

The spelling of 1400043056 in words is "one billion, four hundred million, forty-three thousand, fifty-six".