2541372440 has 16 divisors (see below), whose sum is σ = 5718088080. Its totient is φ = 1016548960.

The previous prime is 2541372401. The next prime is 2541372451. The reversal of 2541372440 is 442731452.

It is a junction number, because it is equal to n+sod(n) for n = 2541372397 and 2541372406.

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, 31767116 + ... + 31767195.

It is an arithmetic number, because the mean of its divisors is an integer number (357380505).

Almost surely, 2^2541372440 is an apocalyptic number.

2541372440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2541372440 is an abundant number, since it is smaller than the sum of its proper divisors (3176715640).

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

2541372440 is a wasteful number, since it uses less digits than its factorization.

2541372440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63534322 (or 63534318 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 2541372440 is about 50412.0267396581. The cubic root of 2541372440 is about 1364.6546895403.

The spelling of 2541372440 in words is "two billion, five hundred forty-one million, three hundred seventy-two thousand, four hundred forty".