540278004 has 96 divisors (see below), whose sum is σ = 1555384320. Its totient is φ = 142547328.

The previous prime is 540277967. The next prime is 540278021. The reversal of 540278004 is 400872045.

It is a congruent number.

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, 51207 + ... + 60849.

It is an arithmetic number, because the mean of its divisors is an integer number (16201920).

Almost surely, 2^540278004 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 540278004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777692160).

540278004 is an abundant number, since it is smaller than the sum of its proper divisors (1015106316).

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

540278004 is a wasteful number, since it uses less digits than its factorization.

540278004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9709 (or 9707 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 540278004 is about 23243.8810012442. The cubic root of 540278004 is about 814.4650052551.

The spelling of 540278004 in words is "five hundred forty million, two hundred seventy-eight thousand, four".