1400045004 has 18 divisors (see below), whose sum is σ = 3539002740. Its totient is φ = 466681656.

The previous prime is 1400044993. The next prime is 1400045011. The reversal of 1400045004 is 4005400041.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19445034 + ... + 19445105.

Almost surely, 2^1400045004 is an apocalyptic number.

It is an amenable number.

1400045004 is an abundant number, since it is smaller than the sum of its proper divisors (2138957736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400045004 is a wasteful number, since it uses less digits than its factorization.

1400045004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38890149 (or 38890144 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1400045004 is about 37417.1752541530. The cubic root of 1400045004 is about 1118.7009289713.

Adding to 1400045004 its reverse (4005400041), we get a palindrome (5405445045).

The spelling of 1400045004 in words is "one billion, four hundred million, forty-five thousand, four".