42030021115240 has 16 divisors (see below), whose sum is σ = 94567547509380. Its totient is φ = 16812008446080.

The previous prime is 42030021115163. The next prime is 42030021115261. The reversal of 42030021115240 is 4251112003024.

It can be written as a sum of positive squares in 2 ways, for example, as 40549462679716 + 1480558435524 = 6367846^2 + 1216782^2 .

It is a super-4 number, since 4×42030021115240⁴ (a number of 56 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525375263901 + ... + 525375263980.

Almost surely, 2^{42030021115240} is an apocalyptic number.

42030021115240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42030021115240 is an abundant number, since it is smaller than the sum of its proper divisors (52537526394140).

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

42030021115240 is a wasteful number, since it uses less digits than its factorization.

42030021115240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050750527892 (or 1050750527888 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 42030021115240 its reverse (4251112003024), we get a palindrome (46281133118264).

The spelling of 42030021115240 in words is "forty-two trillion, thirty billion, twenty-one million, one hundred fifteen thousand, two hundred forty".