420031444355 has 16 divisors (see below), whose sum is σ = 505359624000. Its totient is φ = 335144424960.

The previous prime is 420031444331. The next prime is 420031444397. The reversal of 420031444355 is 553444130024.

It is not a de Polignac number, because 420031444355 - 2¹⁸ = 420031182211 is a prime.

It is a super-2 number, since 2×420031444355² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6661175 + ... + 6723935.

It is an arithmetic number, because the mean of its divisors is an integer number (31584976500).

Almost surely, 2^420031444355 is an apocalyptic number.

420031444355 is a deficient number, since it is larger than the sum of its proper divisors (85328179645).

420031444355 is a wasteful number, since it uses less digits than its factorization.

420031444355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66254.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 420031444355 its reverse (553444130024), we get a palindrome (973475574379).

The spelling of 420031444355 in words is "four hundred twenty billion, thirty-one million, four hundred forty-four thousand, three hundred fifty-five".