42003432240 has 320 divisors, whose sum is σ = 170886205440. Its totient is φ = 8268549120.

The previous prime is 42003432199. The next prime is 42003432281. The reversal of 42003432240 is 4223430024.

It is an interprime number because it is at equal distance from previous prime (42003432199) and next prime (42003432281).

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

It is a self number, because there is not a number n which added to its sum of digits gives 42003432240.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 291307 + ... + 410933.

It is an arithmetic number, because the mean of its divisors is an integer number (534019392).

Almost surely, 2^42003432240 is an apocalyptic number.

42003432240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42003432240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85443102720).

42003432240 is an abundant number, since it is smaller than the sum of its proper divisors (128882773200).

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

42003432240 is a wasteful number, since it uses less digits than its factorization.

42003432240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119680 (or 119674 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 42003432240 its reverse (4223430024), we get a palindrome (46226862264).

The spelling of 42003432240 in words is "forty-two billion, three million, four hundred thirty-two thousand, two hundred forty".