2512404340 has 24 divisors (see below), whose sum is σ = 5418646632. Its totient is φ = 977800320.

The previous prime is 2512404319. The next prime is 2512404341. The reversal of 2512404340 is 434042152.

It is a happy number.

2512404340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1302199396 + 1210204944 = 36086^2 + 34788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512404341) 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, 1696831 + ... + 1698310.

It is an arithmetic number, because the mean of its divisors is an integer number (225776943).

Almost surely, 2^2512404340 is an apocalyptic number.

2512404340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2512404340 is an abundant number, since it is smaller than the sum of its proper divisors (2906242292).

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

2512404340 is a wasteful number, since it uses less digits than its factorization.

2512404340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395187 (or 3395185 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2512404340 is about 50123.8899128948. The cubic root of 2512404340 is about 1359.4498098892.

Adding to 2512404340 its reverse (434042152), we get a palindrome (2946446492).

The spelling of 2512404340 in words is "two billion, five hundred twelve million, four hundred four thousand, three hundred forty".