1402233420 has 48 divisors (see below), whose sum is σ = 4487148288. Its totient is φ = 320510400.

The previous prime is 1402233407. The next prime is 1402233439. The reversal of 1402233420 is 243322041.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1668906 + ... + 1669745.

It is an arithmetic number, because the mean of its divisors is an integer number (93482256).

Almost surely, 2^1402233420 is an apocalyptic number.

1402233420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402233420 is an abundant number, since it is smaller than the sum of its proper divisors (3084914868).

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

1402233420 is a wasteful number, since it uses less digits than its factorization.

1402233420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338670 (or 3338668 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1402233420 is about 37446.4073043062. The cubic root of 1402233420 is about 1119.2835075131.

Adding to 1402233420 its reverse (243322041), we get a palindrome (1645555461).

The spelling of 1402233420 in words is "one billion, four hundred two million, two hundred thirty-three thousand, four hundred twenty".