620244026454 has 32 divisors (see below), whose sum is σ = 1335945752064. Its totient is φ = 190839238560.

The previous prime is 620244026419. The next prime is 620244026459. The reversal of 620244026454 is 454620442026.

It is a super-3 number, since 3×620244026454³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620244026459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3731539 + ... + 3894209.

It is an arithmetic number, because the mean of its divisors is an integer number (41748304752).

Almost surely, 2^620244026454 is an apocalyptic number.

620244026454 is an abundant number, since it is smaller than the sum of its proper divisors (715701725610).

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

620244026454 is a wasteful number, since it uses less digits than its factorization.

620244026454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211572.

The product of its (nonzero) digits is 368640, while the sum is 39.

The spelling of 620244026454 in words is "six hundred twenty billion, two hundred forty-four million, twenty-six thousand, four hundred fifty-four".