2546373440 has 56 divisors (see below), whose sum is σ = 6529989480. Its totient is φ = 940197888.

The previous prime is 2546373439. The next prime is 2546373443. The reversal of 2546373440 is 443736452.

It can be written as a sum of positive squares in 4 ways, for example, as 565504 + 2545807936 = 752^2 + 50456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2546373394 and 2546373403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2546373443) 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, 301895 + ... + 310214.

It is an arithmetic number, because the mean of its divisors is an integer number (116606955).

Almost surely, 2^2546373440 is an apocalyptic number.

2546373440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2546373440 is an abundant number, since it is smaller than the sum of its proper divisors (3983616040).

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

2546373440 is a wasteful number, since it uses less digits than its factorization.

2546373440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612139 (or 612129 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 38.

The square root of 2546373440 is about 50461.6036209711. The cubic root of 2546373440 is about 1365.5492411478.

The spelling of 2546373440 in words is "two billion, five hundred forty-six million, three hundred seventy-three thousand, four hundred forty".