42420023400 has 96 divisors (see below), whose sum is σ = 133983344160. Its totient is φ = 11098563840.

The previous prime is 42420023369. The next prime is 42420023411. The reversal of 42420023400 is 432002424.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 635182 + ... + 698781.

It is an arithmetic number, because the mean of its divisors is an integer number (1395659835).

Almost surely, 2^42420023400 is an apocalyptic number.

42420023400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42420023400 is an abundant number, since it is smaller than the sum of its proper divisors (91563320760).

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

42420023400 is a wasteful number, since it uses less digits than its factorization.

42420023400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334035 (or 1334026 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 42420023400 its reverse (432002424), we get a palindrome (42852025824).

The spelling of 42420023400 in words is "forty-two billion, four hundred twenty million, twenty-three thousand, four hundred".