2540286428 has 12 divisors (see below), whose sum is σ = 4638784080. Its totient is φ = 1214919552.

The previous prime is 2540286401. The next prime is 2540286433. The reversal of 2540286428 is 8246820452.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13805813 + ... + 13805996.

It is an arithmetic number, because the mean of its divisors is an integer number (386565340).

Almost surely, 2^2540286428 is an apocalyptic number.

It is an amenable number.

2540286428 is a deficient number, since it is larger than the sum of its proper divisors (2098497652).

2540286428 is a wasteful number, since it uses less digits than its factorization.

2540286428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27611836 (or 27611834 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 41.

The square root of 2540286428 is about 50401.2542304257. The cubic root of 2540286428 is about 1364.4602745722.

The spelling of 2540286428 in words is "two billion, five hundred forty million, two hundred eighty-six thousand, four hundred twenty-eight".