2500405626 has 32 divisors (see below), whose sum is σ = 5164992000. Its totient is φ = 806135040.

The previous prime is 2500405613. The next prime is 2500405631. The reversal of 2500405626 is 6265040052.

It is a junction number, because it is equal to n+sod(n) for n = 2500405593 and 2500405602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564910 + ... + 569318.

It is an arithmetic number, because the mean of its divisors is an integer number (161406000).

Almost surely, 2^2500405626 is an apocalyptic number.

2500405626 is an abundant number, since it is smaller than the sum of its proper divisors (2664586374).

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

2500405626 is a wasteful number, since it uses less digits than its factorization.

2500405626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7494.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2500405626 is about 50004.0560954809. The cubic root of 2500405626 is about 1357.2822068853.

Adding to 2500405626 its reverse (6265040052), we get a palindrome (8765445678).

The spelling of 2500405626 in words is "two billion, five hundred million, four hundred five thousand, six hundred twenty-six".