1402942080 has 128 divisors (see below), whose sum is σ = 4576144320. Its totient is φ = 365395968.

The previous prime is 1402942067. The next prime is 1402942081. The reversal of 1402942080 is 802492041.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1402942081) 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, 74064 + ... + 91056.

Almost surely, 2^1402942080 is an apocalyptic number.

1402942080 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 1402942080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2288072160).

1402942080 is an abundant number, since it is smaller than the sum of its proper divisors (3173202240).

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

1402942080 is a wasteful number, since it uses less digits than its factorization.

1402942080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17058 (or 17046 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1402942080 is about 37455.8684320628. The cubic root of 1402942080 is about 1119.4720300647.

The spelling of 1402942080 in words is "one billion, four hundred two million, nine hundred forty-two thousand, eighty".