1402454880 has 288 divisors, whose sum is σ = 5009921280. Its totient is φ = 356843520.

The previous prime is 1402454869. The next prime is 1402454887. The reversal of 1402454880 is 884542041.

1402454880 is a `hidden beast` number, since 14 + 0 + 24 + 548 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402454887) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3972784 + ... + 3973136.

It is an arithmetic number, because the mean of its divisors is an integer number (17395560).

Almost surely, 2^1402454880 is an apocalyptic number.

1402454880 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 1402454880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2504960640).

1402454880 is an abundant number, since it is smaller than the sum of its proper divisors (3607466400).

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

1402454880 is a wasteful number, since it uses less digits than its factorization.

1402454880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 1402454880 is about 37449.3642135618. The cubic root of 1402454880 is about 1119.3424286299.

The spelling of 1402454880 in words is "one billion, four hundred two million, four hundred fifty-four thousand, eight hundred eighty".