2538157830 has 32 divisors (see below), whose sum is σ = 6560162784. Its totient is φ = 624777216.

The previous prime is 2538157789. The next prime is 2538157837. The reversal of 2538157830 is 387518352.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538157837) 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, 3253659 + ... + 3254438.

It is an arithmetic number, because the mean of its divisors is an integer number (205005087).

Almost surely, 2^2538157830 is an apocalyptic number.

2538157830 is an abundant number, since it is smaller than the sum of its proper divisors (4022004954).

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

2538157830 is a wasteful number, since it uses less digits than its factorization.

2538157830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6508120.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 2538157830 is about 50380.1332868423. The cubic root of 2538157830 is about 1364.0790578469.

The spelling of 2538157830 in words is "two billion, five hundred thirty-eight million, one hundred fifty-seven thousand, eight hundred thirty".