140002403423430 has 64 divisors (see below), whose sum is σ = 350672879784960. Its totient is φ = 35704833749376.

The previous prime is 140002403423357. The next prime is 140002403423459. The reversal of 140002403423430 is 34324304200041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12667162 + ... + 20987181.

It is an arithmetic number, because the mean of its divisors is an integer number (5479263746640).

Almost surely, 2^{140002403423430} is an apocalyptic number.

140002403423430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140002403423430 is an abundant number, since it is smaller than the sum of its proper divisors (210670476361530).

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

140002403423430 is a wasteful number, since it uses less digits than its factorization.

140002403423430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33660405.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 140002403423430 its reverse (34324304200041), we get a palindrome (174326707623471).

The spelling of 140002403423430 in words is "one hundred forty trillion, two billion, four hundred three million, four hundred twenty-three thousand, four hundred thirty".