1402430436 has 240 divisors, whose sum is σ = 4303031040. Its totient is φ = 393569280.

The previous prime is 1402430431. The next prime is 1402430467. The reversal of 1402430436 is 6340342041.

It is a super-2 number, since 2×1402430436² = 3933622255638300192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1402430431) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 4786306 + ... + 4786598.

It is an arithmetic number, because the mean of its divisors is an integer number (17929296).

Almost surely, 2^1402430436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402430436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2151515520).

1402430436 is an abundant number, since it is smaller than the sum of its proper divisors (2900600604).

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

1402430436 is a wasteful number, since it uses less digits than its factorization.

1402430436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1402430436 is about 37449.0378514589. The cubic root of 1402430436 is about 1119.3359254224.

Adding to 1402430436 its reverse (6340342041), we get a palindrome (7742772477).

The spelling of 1402430436 in words is "one billion, four hundred two million, four hundred thirty thousand, four hundred thirty-six".