1402881894 has 12 divisors (see below), whose sum is σ = 3039577476. Its totient is φ = 467627292.

The previous prime is 1402881889. The next prime is 1402881911. The reversal of 1402881894 is 4981882041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38968924 + ... + 38968959.

It is an arithmetic number, because the mean of its divisors is an integer number (253298123).

Almost surely, 2^1402881894 is an apocalyptic number.

1402881894 is an abundant number, since it is smaller than the sum of its proper divisors (1636695582).

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

1402881894 is a wasteful number, since it uses less digits than its factorization.

1402881894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77937891 (or 77937888 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 1402881894 is about 37455.0649979412. The cubic root of 1402881894 is about 1119.4560214430.

The spelling of 1402881894 in words is "one billion, four hundred two million, eight hundred eighty-one thousand, eight hundred ninety-four".