2541631478 has 16 divisors (see below), whose sum is σ = 4085348400. Its totient is φ = 1181650176.

The previous prime is 2541631471. The next prime is 2541631493. The reversal of 2541631478 is 8741361452.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541631471) 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, 447503 + ... + 453146.

It is an arithmetic number, because the mean of its divisors is an integer number (255334275).

Almost surely, 2^2541631478 is an apocalyptic number.

2541631478 is a deficient number, since it is larger than the sum of its proper divisors (1543716922).

2541631478 is a wasteful number, since it uses less digits than its factorization.

2541631478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900751.

The product of its digits is 161280, while the sum is 41.

The square root of 2541631478 is about 50414.5958825418. The cubic root of 2541631478 is about 1364.7010536500.

The spelling of 2541631478 in words is "two billion, five hundred forty-one million, six hundred thirty-one thousand, four hundred seventy-eight".