1400750080 has 60 divisors (see below), whose sum is σ = 3361894200. Its totient is φ = 560267264.

The previous prime is 1400750077. The next prime is 1400750089. The reversal of 1400750080 is 800570041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400750089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73371 + ... + 90469.

It is an arithmetic number, because the mean of its divisors is an integer number (56031570).

Almost surely, 2^1400750080 is an apocalyptic number.

1400750080 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 1400750080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680947100).

1400750080 is an abundant number, since it is smaller than the sum of its proper divisors (1961144120).

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

1400750080 is an frugal number, since it uses more digits than its factorization.

1400750080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17132 (or 17106 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1400750080 is about 37426.5958911574. The cubic root of 1400750080 is about 1118.8886936028. Note that the first 3 decimals are identical.

The spelling of 1400750080 in words is "one billion, four hundred million, seven hundred fifty thousand, eighty".