540638448 has 40 divisors (see below), whose sum is σ = 1596171648. Its totient is φ = 154468032.

The previous prime is 540638447. The next prime is 540638453. The reversal of 540638448 is 844836045.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540638447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804186 + ... + 804857.

Almost surely, 2^540638448 is an apocalyptic number.

It is an amenable number.

540638448 is an abundant number, since it is smaller than the sum of its proper divisors (1055533200).

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

540638448 is a wasteful number, since it uses less digits than its factorization.

540638448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609061 (or 1609055 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The square root of 540638448 is about 23251.6332329581. The cubic root of 540638448 is about 814.6460871932.

The spelling of 540638448 in words is "five hundred forty million, six hundred thirty-eight thousand, four hundred forty-eight".