547979140 has 48 divisors (see below), whose sum is σ = 1207084032. Its totient is φ = 208562816.

The previous prime is 547979123. The next prime is 547979147. The reversal of 547979140 is 41979745.

It is a super-2 number, since 2×547979140² = 600562275750279200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (547979147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87597 + ... + 93643.

It is an arithmetic number, because the mean of its divisors is an integer number (25147584).

Almost surely, 2^547979140 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 547979140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603542016).

547979140 is an abundant number, since it is smaller than the sum of its proper divisors (659104892).

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

547979140 is a wasteful number, since it uses less digits than its factorization.

547979140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276 (or 6274 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 547979140 is about 23408.9542696807. The cubic root of 547979140 is about 818.3165641674.

The spelling of 547979140 in words is "five hundred forty-seven million, nine hundred seventy-nine thousand, one hundred forty".