2546212240 has 160 divisors (see below), whose sum is σ = 7258035456. Its totient is φ = 817428480.

The previous prime is 2546212199. The next prime is 2546212241. The reversal of 2546212240 is 422126452.

It is a super-2 number, since 2×2546212240² = 12966393542251635200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2546212199 and 2546212208.

It is not an unprimeable number, because it can be changed into a prime (2546212241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258282 + ... + 267958.

Almost surely, 2^2546212240 is an apocalyptic number.

2546212240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2546212240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3629017728).

2546212240 is an abundant number, since it is smaller than the sum of its proper divisors (4711823216).

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

2546212240 is a wasteful number, since it uses less digits than its factorization.

2546212240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9737 (or 9731 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2546212240 is about 50460.0063416564. The cubic root of 2546212240 is about 1365.5204248478.

Adding to 2546212240 its reverse (422126452), we get a palindrome (2968338692).

It can be divided in two parts, 2546212 and 240, that added together give a palindrome (2546452).

The spelling of 2546212240 in words is "two billion, five hundred forty-six million, two hundred twelve thousand, two hundred forty".