42142403400 has 96 divisors (see below), whose sum is σ = 132215600160. Its totient is φ = 11102563840.

The previous prime is 42142403383. The next prime is 42142403437. The reversal of 42142403400 is 430424124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 373317 + ... + 472916.

It is an arithmetic number, because the mean of its divisors is an integer number (1377245835).

Almost surely, 2^42142403400 is an apocalyptic number.

42142403400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42142403400 is an abundant number, since it is smaller than the sum of its proper divisors (90073196760).

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

42142403400 is a wasteful number, since it uses less digits than its factorization.

42142403400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846335 (or 846326 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42142403400 its reverse (430424124), we get a palindrome (42572827524).

The spelling of 42142403400 in words is "forty-two billion, one hundred forty-two million, four hundred three thousand, four hundred".