42420220234354 has 8 divisors (see below), whose sum is σ = 63630474505308. Its totient is φ = 21210062065920.

The previous prime is 42420220234321. The next prime is 42420220234367. The reversal of 42420220234354 is 45343202202424.

It can be written as a sum of positive squares in 2 ways, for example, as 34652377437129 + 7767842797225 = 5886627^2 + 2787085^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 22911787 + ... + 24693934.

Almost surely, 2^{42420220234354} is an apocalyptic number.

42420220234354 is a deficient number, since it is larger than the sum of its proper divisors (21210254270954).

42420220234354 is a wasteful number, since it uses less digits than its factorization.

42420220234354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48051260.

The product of its (nonzero) digits is 368640, while the sum is 37.

Adding to 42420220234354 its reverse (45343202202424), we get a palindrome (87763422436778).

The spelling of 42420220234354 in words is "forty-two trillion, four hundred twenty billion, two hundred twenty million, two hundred thirty-four thousand, three hundred fifty-four".