402403142000 has 80 divisors (see below), whose sum is σ = 983042310432. Its totient is φ = 159301785600.

The previous prime is 402403141997. The next prime is 402403142077. The reversal of 402403142000 is 241304204.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843122 + ... + 1231121.

Almost surely, 2^402403142000 is an apocalyptic number.

402403142000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402403142000 is an abundant number, since it is smaller than the sum of its proper divisors (580639168432).

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

402403142000 is a wasteful number, since it uses less digits than its factorization.

402403142000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074363 (or 2074347 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 402403142000 its reverse (241304204), we get a palindrome (402644446204).

The spelling of 402403142000 in words is "four hundred two billion, four hundred three million, one hundred forty-two thousand".