1402250430400 has 84 divisors (see below), whose sum is σ = 3451310987128. Its totient is φ = 560754109440.

The previous prime is 1402250430379. The next prime is 1402250430401. The reversal of 1402250430400 is 40340522041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402250430401) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6139042 + ... + 6363358.

Almost surely, 2^{1402250430400} is an apocalyptic number.

1402250430400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402250430400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1725655493564).

1402250430400 is an abundant number, since it is smaller than the sum of its proper divisors (2049060556728).

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

1402250430400 is a wasteful number, since it uses less digits than its factorization.

1402250430400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228246 (or 228231 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 1402250430400 its reverse (40340522041), we get a palindrome (1442590952441).

The spelling of 1402250430400 in words is "one trillion, four hundred two billion, two hundred fifty million, four hundred thirty thousand, four hundred".