1402233240 has 32 divisors (see below), whose sum is σ = 4206700080. Its totient is φ = 373928832.

The previous prime is 1402233229. The next prime is 1402233257. The reversal of 1402233240 is 423322041.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5842519 + ... + 5842758.

Almost surely, 2^1402233240 is an apocalyptic number.

1402233240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402233240 is an abundant number, since it is smaller than the sum of its proper divisors (2804466840).

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

1402233240 is a wasteful number, since it uses less digits than its factorization.

1402233240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11685291 (or 11685287 counting only the distinct ones).

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

The square root of 1402233240 is about 37446.4049008713. The cubic root of 1402233240 is about 1119.2834596202.

Adding to 1402233240 its reverse (423322041), we get a palindrome (1825555281).

The spelling of 1402233240 in words is "one billion, four hundred two million, two hundred thirty-three thousand, two hundred forty".