1400490000 has 1000 divisors, whose sum is σ = 6562149440. Its totient is φ = 279936000.

The previous prime is 1400489963. The next prime is 1400490023. The reversal of 1400490000 is 940041.

It is a tau number, because it is divible by the number of its divisors (1000).

It is a super-2 number, since 2×1400490000² = 3922744480200000000, which contains 22 as substring.

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 (13) of ones.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 73709991 + ... + 73710009.

Almost surely, 2^1400490000 is an apocalyptic number.

1400490000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400490000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3281074720).

1400490000 is an abundant number, since it is smaller than the sum of its proper divisors (5161659440).

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

1400490000 is a wasteful number, since it uses less digits than its factorization.

1400490000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1400490000 is about 37423.1211953252. The cubic root of 1400490000 is about 1118.8194405677.

The spelling of 1400490000 in words is "one billion, four hundred million, four hundred ninety thousand".