540251442 has 24 divisors (see below), whose sum is σ = 1170990444. Its totient is φ = 180015264.

The previous prime is 540251431. The next prime is 540251479. The reversal of 540251442 is 244152045.

It can be written as a sum of positive squares in 2 ways, for example, as 460488681 + 79762761 = 21459^2 + 8931^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70008 + ... + 77340.

Almost surely, 2^540251442 is an apocalyptic number.

540251442 is an abundant number, since it is smaller than the sum of its proper divisors (630739002).

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

540251442 is a wasteful number, since it uses less digits than its factorization.

540251442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434 (or 11431 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 540251442 is about 23243.3096180385. The cubic root of 540251442 is about 814.4516576983.

The spelling of 540251442 in words is "five hundred forty million, two hundred fifty-one thousand, four hundred forty-two".