1402944220 has 24 divisors (see below), whose sum is σ = 2949133824. Its totient is φ = 560615616.

The previous prime is 1402944199. The next prime is 1402944251. The reversal of 1402944220 is 224492041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14364 + ... + 54883.

It is an arithmetic number, because the mean of its divisors is an integer number (122880576).

Almost surely, 2^1402944220 is an apocalyptic number.

1402944220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402944220 is an abundant number, since it is smaller than the sum of its proper divisors (1546189604).

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

1402944220 is a wasteful number, since it uses less digits than its factorization.

1402944220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70269 (or 70267 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1402944220 is about 37455.8969990040. The cubic root of 1402944220 is about 1119.4725992659.

The spelling of 1402944220 in words is "one billion, four hundred two million, nine hundred forty-four thousand, two hundred twenty".