42481400 has 48 divisors (see below), whose sum is σ = 106373400. Its totient is φ = 15684480.

The previous prime is 42481393. The next prime is 42481409. The reversal of 42481400 is 418424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42481409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5570 + ... + 10769.

Almost surely, 2^42481400 is an apocalyptic number.

42481400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42481400 is an abundant number, since it is smaller than the sum of its proper divisors (63892000).

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

42481400 is a wasteful number, since it uses less digits than its factorization.

42481400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16368 (or 16359 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 42481400 is about 6517.7756942073. The cubic root of 42481400 is about 348.9256853890.

Adding to 42481400 its reverse (418424), we get a palindrome (42899824).

The spelling of 42481400 in words is "forty-two million, four hundred eighty-one thousand, four hundred".