42401203400 has 24 divisors (see below), whose sum is σ = 98582798370. Its totient is φ = 16960481280.

The previous prime is 42401203373. The next prime is 42401203433. The reversal of 42401203400 is 430210424.

42401203400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 41235800356 + 1165403044 = 203066^2 + 34138^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106002809 + ... + 106003208.

Almost surely, 2^42401203400 is an apocalyptic number.

42401203400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42401203400 is an abundant number, since it is smaller than the sum of its proper divisors (56181594970).

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

42401203400 is a wasteful number, since it uses less digits than its factorization.

42401203400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212006033 (or 212006024 counting only the distinct ones).

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

Adding to 42401203400 its reverse (430210424), we get a palindrome (42831413824).

The spelling of 42401203400 in words is "forty-two billion, four hundred one million, two hundred three thousand, four hundred".