42037400 has 24 divisors (see below), whose sum is σ = 97737420. Its totient is φ = 16814880.

The previous prime is 42037363. The next prime is 42037403. The reversal of 42037400 is 473024.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42037403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104894 + ... + 105293.

Almost surely, 2^42037400 is an apocalyptic number.

42037400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42037400 is an abundant number, since it is smaller than the sum of its proper divisors (55700020).

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

42037400 is a wasteful number, since it uses less digits than its factorization.

42037400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210203 (or 210194 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 42037400 is about 6483.6255289768. The cubic root of 42037400 is about 347.7058111770.

The spelling of 42037400 in words is "forty-two million, thirty-seven thousand, four hundred".