542944620 has 96 divisors (see below), whose sum is σ = 1710152640. Its totient is φ = 144773568.

The previous prime is 542944613. The next prime is 542944631. The reversal of 542944620 is 26449245.

542944620 is a `hidden beast` number, since 5 + 4 + 29 + 4 + 4 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37534 + ... + 49946.

It is an arithmetic number, because the mean of its divisors is an integer number (17814090).

Almost surely, 2^542944620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542944620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855076320).

542944620 is an abundant number, since it is smaller than the sum of its proper divisors (1167208020).

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

542944620 is a wasteful number, since it uses less digits than its factorization.

542944620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12443 (or 12423 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 542944620 is about 23301.1720735245. The cubic root of 542944620 is about 815.8027745667.

The spelling of 542944620 in words is "five hundred forty-two million, nine hundred forty-four thousand, six hundred twenty".