1400042000 has 80 divisors (see below), whose sum is σ = 3868954752. Its totient is φ = 480009600.

The previous prime is 1400041967. The next prime is 1400042003. The reversal of 1400042000 is 2400041.

It is a tau number, because it is divible by the number of its divisors (80).

1400042000 is a modest number, since divided by 42000 gives 14000 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1400042003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36002 + ... + 64001.

Almost surely, 2^1400042000 is an apocalyptic number.

1400042000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400042000 is an abundant number, since it is smaller than the sum of its proper divisors (2468912752).

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

1400042000 is a wasteful number, since it uses less digits than its factorization.

1400042000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100033 (or 100017 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1400042000 is about 37417.1351121381. The cubic root of 1400042000 is about 1118.7001288590.

Adding to 1400042000 its reverse (2400041), we get a palindrome (1402442041).

The spelling of 1400042000 in words is "one billion, four hundred million, forty-two thousand".