1400055556 has 12 divisors (see below), whose sum is σ = 2450754460. Its totient is φ = 699840000.

The previous prime is 1400055521. The next prime is 1400055571. The reversal of 1400055556 is 6555500041.

It can be written as a sum of positive squares in 2 ways, for example, as 1293553156 + 106502400 = 35966^2 + 10320^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29445 + ... + 60556.

Almost surely, 2^1400055556 is an apocalyptic number.

It is an amenable number.

1400055556 is a deficient number, since it is larger than the sum of its proper divisors (1050698904).

1400055556 is a wasteful number, since it uses less digits than its factorization.

1400055556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93894 (or 93892 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1400055556 is about 37417.3162586522. The cubic root of 1400055556 is about 1118.7037394768.

Adding to 1400055556 its reverse (6555500041), we get a palindrome (7955555597).

The spelling of 1400055556 in words is "one billion, four hundred million, fifty-five thousand, five hundred fifty-six".