1400055164 has 24 divisors (see below), whose sum is σ = 2509328976. Its totient is φ = 683280000.

The previous prime is 1400055161. The next prime is 1400055199. The reversal of 1400055164 is 4615500041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400055161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10064 + ... + 53864.

It is an arithmetic number, because the mean of its divisors is an integer number (104555374).

Almost surely, 2^1400055164 is an apocalyptic number.

It is an amenable number.

1400055164 is a deficient number, since it is larger than the sum of its proper divisors (1109273812).

1400055164 is a wasteful number, since it uses less digits than its factorization.

1400055164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43997 (or 43995 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1400055164 is about 37417.3110204354. The cubic root of 1400055164 is about 1118.7036350686.

The spelling of 1400055164 in words is "one billion, four hundred million, fifty-five thousand, one hundred sixty-four".