1400272000 has 64 divisors (see below), whose sum is σ = 3481466040. Its totient is φ = 560102400.

The previous prime is 1400271991. The next prime is 1400272007. The reversal of 1400272000 is 2720041.

It can be written as a sum of positive squares in 4 ways, for example, as 127780416 + 1272491584 = 11304^2 + 35672^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1400272007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27759 + ... + 59758.

Almost surely, 2^1400272000 is an apocalyptic number.

1400272000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400272000 is an abundant number, since it is smaller than the sum of its proper divisors (2081194040).

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

1400272000 is an frugal number, since it uses more digits than its factorization.

1400272000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87546 (or 87524 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1400272000 is about 37420.2084441014. The cubic root of 1400272000 is about 1118.7613858167.

Adding to 1400272000 its reverse (2720041), we get a palindrome (1402992041).

The spelling of 1400272000 in words is "one billion, four hundred million, two hundred seventy-two thousand".