544642956 has 144 divisors (see below), whose sum is σ = 1652571648. Its totient is φ = 149040000.

The previous prime is 544642949. The next prime is 544642963. The reversal of 544642956 is 659246445.

It is an interprime number because it is at equal distance from previous prime (544642949) and next prime (544642963).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 240831 + ... + 243081.

It is an arithmetic number, because the mean of its divisors is an integer number (11476192).

Almost surely, 2^544642956 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 544642956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (826285824).

544642956 is an abundant number, since it is smaller than the sum of its proper divisors (1107928692).

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

544642956 is a wasteful number, since it uses less digits than its factorization.

544642956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332 (or 2327 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 544642956 is about 23337.5867647021. The cubic root of 544642956 is about 816.6525021746.

The spelling of 544642956 in words is "five hundred forty-four million, six hundred forty-two thousand, nine hundred fifty-six".